Trephination

Trephination is a weapon action granted by  Trepan (+1) that deals additional ⁠Necrotic damage and possibly knocks the target prone. It cannot be used by player characters, even with the weapon equipped.

Description

Make a burr hole into an enemy's skull and possibly knock them  Prone.

Properties

Cost

 Action

Damage: 1~6 + modifiers

Normal weapon damage

+ Proficiency bonus⁠Piercing

+ 1d6⁠Necrotic

Details

 Melee Weapon Attack Roll

 DEX Save (Weapon action DC + 2)

 Range: Normal weapon range

 Recharge: Short rest

Must be proficient with weapon

Technical details

UID

Target_MAG_WeaponAction_Trepan

Spell flags

IsDefaultWeaponAction, IsHarmful, IsMelee

Condition: Prone

 Prone

Duration: 2 turns

 DEX Save (Weapon action DC + 2)

• Can't move or take  Actions,  Bonus Actions, or  Reactions, and has  Disadvantage on Strength and Dexterity  Saving Throws.
• Attacks against a Prone creature have  Advantage if they're made within 3 m (10 ft) of the creature.
• A Prone creature must spend half its  Movement Speed to stand up.
• Falling Prone immediately ends Concentration.
• If a creatures falls Prone on its turn, the turn immediately ends.

How to learn

Granted by items:

• Trepan (+1)