Lady Waziria was created by Thor: God of Thunder writer Jason Aaron.
After Malekith cut off her arm and killed her tribe, she grew a replacement by bonding a tree branch to her stump to form a replacement arm. She joined the League of Realms went to stop Malekith. He however, escaped after killing Queen Alflyse and her entourage.
Powers and Abilities
Being a sorceress she has various magical powers. One of which is turning a branch into an arm replacing the one she lost.