Corrosive Flail is a rare Flail with a +1 Enchantment and grants a special weapon action, Corrosive Strike.
Acid was long ago abandoned by assassins, who found poison much more reliable in spiking their target's drinks. The acid kept melting the chalices.
Properties
- Damage
1d8 + 1 (2~9) + Strength modifier 
Bludgeoning damage - Details
Flails 
Rarity: Rare
Enchantment: + 1
One-Handed- Dippable
Melee: 1.5 m / 5 ft
Weight: 0.9 kg / 1.8 lb
Price: 310 gp 
UID
MAG_Corrosive_FlailUUID
0a44de18-b355-4692-9256-d920b9bb25b7
Weapon actions
If you have proficiency, equip in main hand to gain:
-
Concussive Smash (
)- Hit an enemy with all your might to deal damage and possibly
Daze them.
-
Weakening Strike ()- Target an enemy's hands with a non-lethal attack and possibly inflict
Weak Grip.
Special weapon actions
This weapon also grants the following:
-
Corrosive Strike ()- Deal additional
Acid damage equal to your Proficiency Bonus. On a hit, create a pool of acid around the target which reduces 
Armour Class by 2.
Where to find
May appear in the inventory of the following traders:
- Derryth Bonecloak in the Ebonlake Grotto in the Underdark.