Skingorger

Skingorger is an enchanted greatsword wielded by Yasha.

Properties
This massive, rust-colored blade was once wielded as a symbol of dominance by the ruling ogre lord Igrathid. You get +1 to attack and damage rolls made with this weapon. While attuned to this greatsword, you can use your bonus action to take a point of exhaustion to empower this blade for 1 minute. All attacks with this greatsword deal an addition 1d8 Acid damage, and it critically hits on a roll of 19-20. Once you use this feature, it cannot be used again until the next dawn.