A cursed slave of Naofumi Iwatani and the sister of Fohl. She carries a hereditary illness in which she cannot see or walk, and has an expected short life expectancy. Naofumi, however, restores her health with a Yggrasil Medicine, curing her. She is still blind but can sense the ki of other beings. Due to Naofumi being her savior, she holds strong romantic feelings toward him.

Spoiler

Atla later dies. Soon after her death, Naofumi absorbed her into his shield. She then becomes a spirit the resides within the Legendary Shield.