Arachnidism (5e Equipment)

Weapon (scimitar), rare (requires attunement)

An arachnidism takes the form of a short, cleaver-like scimitar with a green, purple, or black blade. These blades are enchanted by Lolth and given to her elite subordinates, her fingers.

Venomous. Attacks made with this magic weapon deal an additional 1d6 poison damage.
Acidify. If you die while you are attuned to this weapon, it dissolves into a puddle of bubbling, acidic venom.