Nishagora has the appearence of a bulky cat-like creature with a set of sharp teeth and a horn-like growth on the right side of her head. One of her eyes has a darkened coloring in both retina and pupil. In the upper section of her face, she has various metal-like filter pieces. Her delver attire consists out of a small short-sleeved overcoat which leaves her entire stomach region exposed and only covers parts of her breasts

Her belly is adorned with what appears to be markings. She also has various belt-like parts attached to her and her pants hold multiple pockets. She wears gloves on her hands with the right one having a crossbow-like Artifact attached to it while the left one has a shield-like Artifact attached.

Source: Made in Abyss Manga: Made in Abyss Side Story Chapter 004, Page 52-53