Act Two/Inspiration

Overview

Approval

Inspiration

This page contains all inspirations which can be earned within Act Two of Baldur's Gate 3. To unlock an inspiration the character must be in the active party.

Anywhere

These inspirations can be earned throughout the game, beyond Act One.

General

 Fate Must Wait: Resurrect anyone in the party. Acolyte background. Shadowheart Zenith Feur'sel

 Dragon's Hoard: Have at least 2000 gold among the party. Noble background. Minthara Kerz

 Whispers from the Grave: Glean some wisdom from speaking with the dead. Sage background. Gale Sir Fuzzalump

 Soul for Sale: Acquire a Soul Coin. Noble background. Minthara Kerz

Combat

 Killing Spree: Kill 5 enemies in a single round. Haunted One background. Dark Urge

 Pentacrush: Kill 5 enemies in a single turn. Soldier background. Lae'zel Varanna Sunblossom

 Unfriendly Fire: Defeat 5 neutral creatures in a single round. Haunted One background. Dark Urge

 One for the Ages: Survive a fight in which the party kill ten or more enemies. Soldier background. Lae'zel Varanna Sunblossom

 Panoply of Agony: Get at least one kill with each Damage type. Haunted One background. Dark Urge

 Strategist: Defeat a powerful foe in one strike. Soldier background. Lae'zel Varanna Sunblossom

Dialogues

 Indulge Thine Appetites: Follow the Dark Urge. Haunted One background. Dark Urge

 Subdue Thine Appetites: Resist the Dark Urge. Haunted One background. Dark Urge

Dark Urge choices are untagged, but are often violent and use a thinner font. Must specifically pick a choice which indulges or resists the Urge, not just ignore it.

 Eldritch Authority: Become a True Soul. Kerz

Use illithid persuasion 7 times.

 Noblesse Oblige: Dismiss a companion for interrupting a conversation or Ignore the pleas or requests of a companion in dialogue. Noble background. Minthara Kerz

It is possible to let Lae'zel make him Zorru bow or kneel once to get approval but then step in after.

 Reanimator: Correctly follow Gale's instructions to resurrect him. Sage background. Gale Sir Fuzzalump

Only the character interacting with the pouch gets inspiration.

 Penchant for Diplomacy: Reach a High level of approval (41+) with a companion. Noble background. Minthara Kerz

Crimes

 Escape Artist: Escape from jail after being arrested. Criminal background. Ver'yll Wenkiir

 Blood Price: Kill an innocent civilian. Criminal background. Ver'yll Wenkiir

 A Fine Fortune: Steal an item worth at least 1000 gold. Criminal background. Ver'yll Wenkiir

 Fine By Me: Use a player character's wealth to bribe a guard. Noble background. Minthara Kerz

Trading

 Valued Customer: Trade with someone who has High approval. Guild Artisan background. Jacelyn

 A Golden Masterpiece: Sell an item worth at least 1000 gold. Guild Artisan background. Jacelyn

Anywhere in Act Two

These inspirations can be earned throughout Act Two.

Combat

 Embracing the Environment: Survive two rounds of the shadow curse. Karlach Halsin Eldra Sina'zith

 Bumps in the Dark: Conquer three combat encounters in the Shadow-Cursed Lands. Karlach Halsin Eldra Sina'zith

 Masterful Execution: Kill any of the bosses in and around the Shadow-Cursed Lands in a single round of combat. Lae'zel Varanna

Shadow-Cursed Lands

 No Cursed Stone Left Unturned: Explore each key area of the Shadow-Cursed Lands. Karlach Halsin Eldra Sina'zith

Lock-out warning:

 I Ain't Afraid of No Shadows: Traverse through the Shadow-Cursed Lands to Last Light and Moonrise without using a Moonlantern. Karlach Eldra Sina'zith

Part 0/2 - Do not use a Moonlantern until reaching both Last Light Inn and Moonrise Towers.

 Path Least Followed: Complete the Gauntlet of Shar without going to Last Light or Moonrise. Karlach Eldra Sina'zith

 Always a Step Ahead of the Darkness: Reach the Nightsong without ever being affected by the shadow curse. Karlach Halsin Eldra Sina'zith

Part 0/1 - The party must never have the Shadow Curse condition. Equip everyone with torches. The easiest way to succeed this is to arrive from the Monastery Trail, but before the scene with Gronag triggers, jump to the bridge instead and keep walking. A scene with Kar'niss triggers without the Harpers. Reveal the party and demand he hand over the Lantern, then release the pixie to get protection.

Protect the Harpers:

 Not Another Soul: Keep all Harpers alive during the ambush with the Shadows. Wyll Danton

Near the Grymforge entrance to the Shadow-Cursed Lands. Make sure no one dies after Yonas is cursed.

Read Dead Druid's Journal:

 Corrupted Beyond Recognition: Find and read the dead druid's journal about how the shadow curse came to be. Gale Sir Fuzzalump

Near the entrance to Grymforge, next to a skeleton.

Deal with Gronag:

 Forcing Responsibility: Demand that the goblin fetch his bone. Dark Urge

Near the Monastery trail entrance into Shadow-Cursed Lands. Speak with him and demand he fetch the bone he threw, then select the illithid option "Go on. Fetch!"

Follow or ambush Kar'niss:

 Plucking the Lyre's Web: Play the Spider's Lyre to attract the drider. Brinna

Part 2/2 - Play the Spider's Lyre to summon Kar'niss. DC 16 Performance check.

 Odd Entourage: Complete the drider escort to Moonrise Minthara Kerz

 Fly-Swatter: Kill the trickster pixie. Dark Urge

Must side against the Harpers and reach Moonrise Towers or avoid Gronag's scene, run to the ambush site, then join Kar'niss while Harpers are absent.

 Centennial Rivalries: Complete the Harper ambush. Lae'zel Varanna

 Shiny Trinkets and Baubles: Take the drider's Moonlantern. Ver'yll

Must be done via Deception checks during the convoy ambush, or by disarming him and picking it up mid-combat; not just killing him and looting the lantern.

 Trust and a Little Pixie Dust: Investigate the Moonlantern and find its power source. Jacelyn

Mutually exlusive paths. Following Kar'niss allows the party to change allegiances during an ambush.

House in Deep Shadows

Play with Oliver:

 Child's Play: Beat Oliver at hide and seek without alerting the shadow creatures. Karlach Halsin Eldra Sina'zith

 Child at Heart: Play both games of hide and seek with Oliver. Maddala

Oliver turns invisible, an active party member must pass a Perception check or it does not count as a win. The first time he will be outside near a cart. The second time he will run into the house. Split the party and keep them inside the house crouched to avoid being spotted by the shadows.

Ruined Battlefield

Meet He Who Was:

 No Rest for the Wicked: Assist He Who Was in his task. Shadowheart Zenith

 Let Sleeping Dogs Lie: Prevent He Who Was from completing his task. Shadowheart Zenith

• Mutually exclusive.

Last Light Inn

Visit  Last Light Inn:

 I Ain't Afraid of No Shadows: Traverse through the Shadow-Cursed Lands to Last Light and Moonrise without using a Moonlantern. Karlach Eldra Sina'zith

Part 1/2 - Use the waypoint to guarantee visiting Last Light Inn is counted.

Expose Marcus:

 Always Trust a Dishonest Person: Expose Marcus to the Harpers. Astarion Kree

Only available if Tieflings are not saved -- if Mol is alive she vouches for the party instead of Marcus.

Talk to Isobel:

 Shield of the Moon: Obtain Selûne's blessing from Isobel. Lae'zel Jaheira Varanna

 Morally Grey: Betray the trust of Moonrise or Lastlight. Astarion Kree

 Meeting of Fates: Side with either Isobel or Marcus during the confrontation in Last Light. Wyll Danton

 Lunar Eclipse: Kill the protector of Last Light. Dark Urge

 Absolute Devastation: Destroy Last Light. Lae'zel Jaheira Varanna

Kill Isobel, destroying Last Light and ruining Marcus' mission.

 Tadpole Solidarity: Go along with Marcus' plan. Astarion Kree

 Absolute Devastation: Destroy Last Light. Lae'zel Jaheira Varanna

Kidnap Isobel.

 Moonweaver's Prayer: Witness Isobel's ritual to keep up the protection of Last Light. Shadowheart Zenith

Prevent Isobel's abduction.

3 mutually exclusive paths.

Talk to Jaheira:

 Living Legend: Accept Jaheira's invitation to talk. Brinna

 From One Hero to Another: Meet Jaheira and drink the wine she offers. Wyll Danton

 Not My First Time: Resist the truth serum when talking to Jaheira. Astarion Kree

Smelling the wine first appears to lock resisting. Only resisting without discovering the serum counts.

 Wary of Strangers: Refuse to drink the spiked wine. Maddala

Mutually exclusive.

 Forced Retirement: End Jaheira's career permanently. Dark Urge

Kill her.

Talk to Alfira:

 A Smile Better Suits...: Offer a hopeful response to Alfira's inquiry. Wyll Danton

Must side with the Tieflings in Act One and survive encounter with Dark Urge.

Game between Raphael and Mol:

 Shuffling the Board: Rig the game of lanceboard. Astarion Kree

Succeed a Sleight of Hand check to rearange the board.

 Theskan Tactician: Help Mol win the game of lanceboard. Gale Sir Fuzzalump

 Helping the Little Guy: Help Mol win the game of lanceboard. Wyll Danton

 Orphan Camaraderie: Help Mol win the game of lanceboard. Maddala

Any method.

Talk to Karrow and Meygan:

 Tragic Love: Witness Yonas' funeral. Shadowheart Zenith

 Memento Mori: Offer condolences to Meygan. Brinna

South of the inn. Must have protected Lassandra's group.

Talk to Dammon:

 Hellish Armaments: Obtain a piece of infernal equipment from Dammon. Jacelyn

Obtain a piece of gear made from internal metal

Talk to His Majesty:

 Noble Feline: Speak with the lordly cat at Last Light. Minthara Kerz

 Alley Cats: Meet both the lordly cat and the tadpole-hunting cat. Maddala

Part 1/2 - The other cat is in Moonrise Towers

Art, Halsin and the Shadow Curse Saga:

 Grove Keeper's Keeper: Protect Halsin's portal while he saves the spirit of the land. Karlach Halsin Eldra Sina'zith

 Patrician of the Grove: Recruit Halsin. Minthara Kerz

 A Tale of Two Souls: Complete the saga of Art, Halsin and the spirit of the land. Brinna

Talk to Barcus after freeing the gnomes:

 In the Palm of My Hand: Acquire the Brilliant Retort from Barcus. Jacelyn

This is the reward for completing the quest Rescue Wulbren.

Reithwin Town

Find Rolan:

 Saving the Prodigious: Save Rolan from the Shadow-Cursed Lands. Wyll Danton

Edge of town before the stronger shadow curse wall, near the water.

Find Arabella:

 Greatness Thrust Upon Them: Find, save and bring Arabella to camp. Wyll Danton

She is standing in front of a gate to the House of Healing graveyard and the Mason's Guild.

Mason's Guild

 Tragedy in Masonry: Discover the fate of the mason. Jacelyn

 Town of Shadows: Learn the fate of each of the major characters in the town: the brewer, the surgeon, the toll collector and the mason. Brinna

Part 1/4 - Read the plaque on the guildhall.

House of Healing

Deal with Malus Thorm:

 Thorm Family Secrets: Discover the fate of Ketheric's family members. Gale Sir Fuzzalump

 Familicide: Kill all members of the Thorm family. Lae'zel Jaheira Varanna

 Power Corrupts... Absolutely: Defeat all of the major figures in the corrupted town. Wyll Danton

 Town of Shadows: Find out the fate of each of the major characters in the town: the brewer, the surgeon, the toll collector and the mason. Brinna

Part 1/3 - Talk to and kill Malus.

 Power Corrupts: Defeat a major figure in the corrupted town. Wyll Danton

Malus. One of three options.

 Did My Homework: Recite Shar's dogma to the surgeon. Shadowheart Zenith

Succeed a Religion check then recite Shar's doctrine to him.

 Under the Knife: Kill the surgeon using his own servile nurses. Dark Urge

 The Best Offence is Virtually Nonsense: Defeat a member of the Thorm family without drawing steel. Lae'zel Jaheira Varanna

Convince Malus the greatest test subject would be him; he is then butchered by the nurses.

 Inhumane Trials: Witness a horrid operation in the cursed house of healing. Jacelyn

Convince the nurses to kill each other.

 An Apple a Day Keeps the Scalpel Away: Defeat the Surgeon without being operated upon. Lae'zel Jaheira Varanna

Combat only. He only operates if he has a tool from a nurse. If they are dead the ability cannot be used; he revives them if they are killed. Kill each before his turn. Mutually exclusive.

After Malus is dead:

 Right Tool for the Job: Obtain all 4 variants of the nurses' tools. Ver'yll

Loot the Uncommon variants of the Syringe, Bonesaw, Artificial Leech, and Trepan.

 Strings of Fate: Bring Art his lute. Brinna

 Favour for a Favour: Wake Art for Counsellor Florrick and the Flaming Fist. Minthara Kerz

 Waking the Sleeper: Wake Art from his catatonic slumber. Gale Sir Fuzzalump

Loot it from Malus and bring it back to Last Light Inn.

House of Healing Morgue

 Blessed's Final Rest: Find the aasimar's journal. Shadowheart Zenith

 Snuffed Spark: Find the dead aasimar's journal. Gale Sir Fuzzalump

 Hippocratic No More: Find the surgeon's research notes. Gale Sir Fuzzalump

West from House of Healing.

The Waning Moon

Deal with Thisobald Thorm:

 Thorm Family Secrets: Discover the fate of Ketheric's family members. Gale Sir Fuzzalump

Part 2/3.

 Familicide: Kill all members of the Thorm family. Lae'zel Jaheira Varanna

Part 2/3 - Kill Thisobald.

 Power Corrupts: Defeat a major figure in the corrupted town. Wyll Danton

Malus. One of three options.

 The Best Offence is Virtually Nonsense: Defeat a member of the Thorm family without drawing steel. Lae'zel Jaheira Varanna

One of three chances to trigger.

 Safety-Averse Quaffing: Drink at least 1 of the brewer's steins. Jacelyn

 A Story You Won't Believe: Pass all Performance checks when telling a tall tale to the brewer. Brinna

 I've Had Worse: Successfully drink and resist the negative effects of the brewer's concoction. Karlach Halsin Eldra Sina'zith

 Tricks of the Trade: Successfully pretend to drink from the steins of ale. Astarion Kree

 Lack of Moderation is Key: Kill the brewer with his own brew. Dark Urge

The player chacter can drink up to three times, which kills Thisobald, pretend to drink once, then drink and resist the effects.

 Notes of an Amateur: Craft some Brewed-Up Bellyglummer. Ver'yll

 Special Iced Arsenic... Brew?: Craft some Brewed-Up Bellyglummer. Jacelyn

Reithwin Tollhouse

Deal with Gerringothe Thorm:

 Thorm Family Secrets: Discover the fate of Ketheric's family members. Gale Sir Fuzzalump

 Familicide: Kill all members of the Thorm family. Lae'zel Jaheira Varanna

Part 3/3 - Talk to and kill Gerringothe.

 The Best Offence is Virtually Nonsense: Defeat a member of the Thorm family without drawing steel. Lae'zel Jaheira Varanna

 Power Corrupts: Defeat a major figure in the corrupted town. Wyll Danton

Malus. One of three options.

 Taxes? Never Heard of 'Em: Do not give any gold to the toll collector. Minthara Kerz

 Takes One to Know One: Expose the true form of the toll collector by removing all her gold armour. Astarion Kree

This requires killing all her Visages in combat.

 Personal Payroll: Discover the Toll Collector's personal hoard. Ver'yll

 Confiscated Works: Acquire a magical item from the toll collector's confiscation chest. Jacelyn

Sharran Sanctuary

 Tenets of Loss: Open the way into the Sharran Sanctuary. Gale Sir Fuzzalump

 Tales of Yore: Piece the scriptures together correctly and reveal the secret in the town square. Brinna

Click the three plaques in order to spell out: "OUR LADY OF LOSS MISTRESS OF PAIN WHEN NIGHT FALLS THORM SHALL RISE"

 Partaking in Local Customs: Perform the ritual in the Sharran Sanctuary. Gale Sir Fuzzalump

 Honing the Darkness: Pass all of Shar's tests in the middle of the cursed town. Shadowheart Zenith

Pass 3 statue saving throws to receive Shar's blessing or let Shadowheart perform them. Then offer blood at the atlar.

 A Dark Edge: Take Shar's dagger from the ritual pedestal. Ver'yll

 Ruthless Craftsmanship: Take Shar's ceremonial dagger. Jacelyn

This prompts a fight with 3 undead Dark Justiciars.

Moonrise Towers

Visit  Moonrise Towers:

 I Ain't Afraid of No Shadows: Traverse through the Shadow-Cursed Lands to Last Light and Moonrise without using a Moonlantern. Karlach Eldra Sina'zith

Part 2/2 - The party can fail this by accident, as the Towers are surrounded with Moonlight lanterns. One must enter the Moonrise Tower area (seen on map banner in the left) via a side route, without being granted Moonshield. If not triggering, fast travel back to Last Light Inn with an Outlander character.

Trade with Roah Moonglow:

 War Profiteer: Find Roah in Moonrise and trade with her. Ver'yll

Talk to Lann Tarv:

 Uncommon Recognition: Relate the player character's feats to the bugbear merchant. Wyll Danton

 Notched Armour: Show off the player character's prowess to the bugbear merchant. Lae'zel Varanna

Talk to Araj:

 Blood, Sweat, and the Other Thing: Give the player character's blood to Araj Oblodra. Jacelyn

Talk to 'Barnabus', 'Timothy' and 'Tomelia':

 Pied Piper: Successfully influence the gnolls, either to break free or continue being subservient. Astarion Kree

 Danse Macabre: Make the gnolls stay under the influence of their master. Brinna

 No Strings to Hold Them Back: Release the gnolls from their enslavement. Wyll Danton

 Who Let the Gnolls Out: Release the gnolls from their leashes. Dark Urge

 Gone Feral: Free the mind-controlled gnolls from their master. Maddala

If the player character fails the skill check in the conversation, the inspiration can still be obtained through straight up combat.

Mutually exclusive.

Talk to Steelclaw:

 Mutual Respect: Meet Steelclaw the tadpole-hunting cat. Karlach Halsin Eldra Sina'zith

 Alley Cats: Meet both the lordly cat and the tadpole-hunting cat. Maddala

Part 2/2 - The other cat is in the Last Light Inn.

Observe the  sentencing:

 A Velvet Glove: Spare the goblins. Kerz

 Newly Downtrodden: Spare the goblins from Ketheric's wrath. Maddala

 An Iron Fist: Execute the goblins. Kerz

 Too Easy: Execute the useless goblins. Dark Urge

Mutually exclusive.

Talk to Z'rell:

 Clear Conscience: Successfully lie to Z'rell about the fate of the goblins. Astarion Kree

 Know thy Clientele: Instigate Z'rell into showing off her gifts from the Absolute. Astarion Kree

Convince her to kill the ogre behind her with her mind.

 No Peeking!: Block out True Soul Z'rell from reading the player character's intentions. Maddala

Succeed a check to distract or trick her when she looks for proof of the player character's loyalties.

Capture Isobel:

 An Absolute Douceur: Accept the Absolute's promise of gifts. Ver'yll

 Long-Awaited Reunion: Hand Isobel over to Ketheric Thorm. Ver'yll

Can be triggered by cooperating with Marcus to abduct Isobel from Last Light Inn.

Investigate Ketheric Thorm:

 Enter Nostalgia: Trespass into Ketheric and Isobel's respective rooms. Ver'yll

 Never Liked Stairs: Enter a restricted area in Moonrise Towers from the outside. Karlach Halsin Eldra Sina'zith

 Ketheric's Loss: Learn Ketheric's past. Minthara Kerz

 To Have Loved and Lost: Discover the source of Ketheric's shame. Gale Sir Fuzzalump

 It Came From Shadows: Discover the source of the Shadow Curse. Brinna

Read the letter in the locked chest at the foot of Kethric's bed and investigate the plaque in front of Isobel's sarcophagus.

Solve Balthazar's puzzle:

 Secrets of the Necromancer: Solve Balthazar's secret study puzzle. Gale Sir Fuzzalump

 A Little Too Familiar with the Grotesque...: Solve Baltharzar's secret study puzzle without making a mistake. Gale Sir Fuzzalump

Pass DC 10 Perception check to notice the protruding books. Touch the 'Musty Tomes' shelf, an altar will appear. Insert a Heart found in the same room into it.

Talk to the Walls:

 A Different Kind of Muse: Connect to the strange consciousness in Moonrise. Brinna

 They're in the Walls!: Discover what the "meat sound" is. Gale Sir Fuzzalump

Reach into the Cracked Wall, then select "Do nothing."

 Delving into the Deep: Enter the oubliette... for better or for worse. Karlach Halsin Eldra Sina'zith

 Will Not Be Forgotten: Escape the Oubliette. Maddala

If using Cracked Wall select "Submit. Become.". Alternatively in the prison the party can also jump down the pit, climb down the cliffside or jump down the hole in Cell Three.

Assault  Moonrise Tower:

 Devastation of the Absolute: Complete the assault on Moonrise. Lae'zel Jaheira Varanna

 A Bone To Pick: Overcome the skeletons in Moonrise prison during the assault. Lae'zel Jaheira Varanna

Unavoidable, just do not forget to enter the prison during the assault.

Moonrise Docks

Talk to Marls:

 Swimming with the Shadows: Force the Zhent smuggler to jump off the docks. Dark Urge

Have the the player character tell him they want to see the shipment without using illithid powers. When they learn what it is, remove his mental defenses with illithid powers and tell him to wash off the tadpoles. Will break some Oaths.

Moonrise Prison

Break or break out Minthara:

 Nobleborn as Below, so Above: Recruit Minthara. Kerz

 Twice Scorned, Twice Abandoned: Rescue Minthara from her captors. Maddala

Trick or kill the interrogators, then break her out of Moonrise. The party will be stopped by patrols, as well the entrance guard. Succeed any checks or sneak out another way.

 Soulful Lobotomy: Torture Minthara, reducing her to a husk of her former self. Dark Urge

Take over the interrogation and erase Minthara's mind.

Mutually exclusive.

Bribe the Warden:

 Can't Bribe 'Em All: Bribe Moonrise's warden. Minthara Kerz

Try to bribe her, but pay the lowest amount because she will just take the player character's money.

Talk to the Prisoners:

 Not to Worry, I Have a Permit: Evade repercussions when speaking to the Moonrise prisoners. Astarion Kree

Can be achieved by persuading the guards to let you talk to the prisoners, by talking to the prisoners unobserved, or by killing all the guards and then talking to a prisoner.

 Escape Artisan: Give Wulbren his tools so the gnomes can escape. Ver'yll

 Simple Tools, Great Works: Return Wulbren's tools to him. Jacelyn

This doesn't need to be his hammer which was confiscated; any bludgeoning weapon, including the club that Wulbren can pick up on the docks, awards these Inspirations.

 Always a Way Out: Help the Moonrise prisoners escape. Ver'yll

 Bugging Out: Help Wulbren escape Moonrise. Maddala

 Breakout!: Break out and save all of the Moonrise prisoners. Wyll Danton

Simplest method is to block the cell gates with prisoners with crates or barrels, place some explosives barrels near and put a lit torch close by. Then reach the area behind the cells, have two strong characters with hammers break the walls. The prisoners will escape, but if done correctly, the guards will not be able to enter the cells and the party will escape without combat.

Atop Moonrise Towers

Confront Ketheric:

 Top of the Ladder: Meet Ketheric at the top of Moonrise. Minthara Kerz

 Eclipse of the Heart: Recount Ketheric Thorm's past to him, shaking his resolve. Brinna

If the player character learned his past from exploring his family's rooms, succeed a check to to make him surrender.

Reithwin Mausoleum

 History Never Forgets: Open the way into the Gauntlet of Shar. Gale Sir Fuzzalump

Gauntlet of Shar

Pass the Trials:

 In Her Footsteps: Solve each of Shar's trials in the Gauntlet of Shar. Shadowheart Zenith

 Recognised by Shadows: Pass all of Shar's trials. Minthara Kerz

 Dark Machinations: Fill all sockets with Sharran gems in the Gauntlet of Shar. Jacelyn

There are 3 trials. Soft-Step, Self-Same, Faith-Step. A fourth gem is in the orthon's lair.

Pass the Self-Same Trial:

 Self-Flagellation: Kill the player character's mirror-self in Shar's trial. Dark Urge

 Know Thine Enemy: Defeat the player character's copy in the Gauntlet of Shar's mirror trial. Lae'zel Jaheira Varanna

Before touching the altar, remove the player character's equipment to make the clones trivial to beat. The respective characters must perform the killing blow directly, some DOT effect do not count.

Breach the Silent Library:

 Made of Shadows: Unlock and take the Spear of Rampant Night. Jacelyn

The relevant weapon is actually called the Spear of Night. Located inside the Silent Library, behind a gate, behind a tapestry of Shar.

Deal with Balthazar:

 Meat Shield: Obtain Balthazar's bell and summon his flesh golem. Minthara Kerz

 Those for Whom the Bell Tolled: Kill all of Balthazar's undead. Shadowheart Zenith

 Bleeding the Corpse Dry: Kill the necromancer. Dark Urge

To obtain the bell the player character must succeed a check to request more resources.

Deal with Yurgir:

 Catchy Tune: Hear the orthon's contract. Brinna

 The Devil's in the Details: Expose a half-truth in the orthon's contract with Raphael. Astarion Kree

Must hear the song contract, then succeed an Insight check.

 Fickle Allegiances: Take Shar's gem without aiding or killing the orthon. Ver'yll

Use Greater Invisibility or similar to sneak in and pick up the Gem.

 Strength in Cowardice: Convince the orthon to spare the party, for now... Maddala

Succeed a check to avoid fighting during the player character's first encounter.

 Return to Sender: Kill the orthon, returning him to Raphael. Lae'zel Varanna

 Killer Poetry: Trick the orthon with a false loophole. Dark Urge

Three difficult checks, first make him kill his followers, then Nessa, then himself.

 Tools of the Trade: Obtain the orthon's crossbow. Karlach Halsin Eldra Sina'zith

Only if killed, loot it from his corpse.

 Sole Survivor: Discover the truth behind the numerous rats in the Gauntlet of Shar. Shadowheart Zenith

 Rat King: Discover the truth behind the numerous rats in the Gauntlet of Shar. Gale Sir Fuzzalump

Read the book at the base of the large central statue of Shar.

Investigate Nessa:

 Mating Season: Discover the source of the displacer beast's infatuation. Jacelyn

Investigate the spider carcass near Yurgir, to discover he is using a charm potion.

Shadowfell

 Always a Step Ahead of the Darkness: Reach Nightsong without having been affected by the shadow curse. Karlach Halsin Eldra Sina'zith

Part 1/1 - If the player character never received the shadow curse. Granted when the party leave Shadowfell.

 Path Least Followed: Complete the Gauntlet of Shar without going to Last Light or Moonrise. Karlach Halsin Eldra Sina'zith

Part 1/1 - Must not have visited either before dealing with Nightsong. This skips much of Act Two if achieved.

 Emblem of the Moonmaiden: Discover the truth about the Nightsong. Gale Sir Fuzzalump

Betray Balthazar:

 Rebellious Phase: Betray Balthazar. Maddala

 What's Yours is Mine: Betray Balthazar after learning that the Nightsong is not a simple relic. Ver'yll

If allied with Balthazar choose to kill or release the Nightsong.

Decide the Nightsong's fate:

 Good Deed of the Day: Free Nightsong. Maddala

 Damsel No More: Free Nightsong. Wyll Danton

 Soldier of Faith: Save and release Nightsong. Lae'zel Varanna

 Cerimonia Alārum: Release the Nightsong. Shadowheart Zenith

Release or convince Shadowheart to release the Nightsong.

 Blood Moon: Kill the Daughter of the Moon. Dark Urge

Kill or allow Shadowheart to kill the Nightsong.

 Soldier of Fortune: Give Nightsong to Ketheric. Lae'zel Jaheira Varanna

 Cerimonia Compedum: Execute the ritual to have the player character bring the Nightsong to Ketheric. Shadowheart Zenith

Allow Balthazar to take the Nightsong.

3 mutually exclusive paths.

Mind Flayer Colony

 From Head to Toe: Explore all sections of the mind flayer colony. Karlach Halsin Eldra Sina'zith

 Amateur Optician: Find Mol's eyepatch. Maddala

Located in Balthazar's Necrotic Laboratory, next to the mind jar apparatus.

 Brain Blast!: Successfully complete the mind puzzle in the mind flayer colony. Gale Sir Fuzzalump

 Body Heist: Open and loot the mind flayer colony's vault. Ver'yll

See here. Connect the 4 mind components to the equivalent one on the opposite side. Only one connection per node is allowed.

 A Piece of Three: Piece together Ketheric's allegiances. Shadowheart Zenith

 Lesser of the Three: Kill the envoy of Myrkul. Dark Urge

Find and end Ketheric Thorm, twice if necessary.

Camp

 Sleeping in the Dark: Take a full Long Rest in the Shadow-Cursed Lands. Karlach Halsin Eldra Sina'zith

This is only awarded for resting in a camp which is out in the actual dangerous area. The camp at Last Light Inn, for instance, does not count.

After saving Arabella:

 Little White Lies: Lie to Arabella about the fate of her parents. Astarion Kree

 War is No Place for a Child: Lie to Arabella about her parents' fate. Lae'zel Jaheira Varanna

 Realities of War: Tell Arabella what happened to her parents. Lae'zel Jaheira Varanna

Mutually exclusive.