Poise also known as Poi
mutated avian hybrid
female
currently dead/undead
she walks on her large forearms because her feet are too fragile and thin to hold her weight

Once upon a time Poise was a powerful necromancer that worked for the highest bidder. Oftentimes she would be paid to double cross those she had worked for.
A fellow necromancer killed her in order to try to save the reputation of those honest and good necromancers like himself. He decided to raise her in an attempt to control her and make her join his own army. He didn't realize that her powers would be greater than his own even after death.
Poise rebelled and ran off to live amongst the other undead creatures. She now wanders, trying to find a way to fully resurrect herself and return to her full strength.