"Истина", meaning "Certain", or "Truth" in Russian.
Istina, member of Ursus Student Self-government Group, will beat the enemy with Originium Arts chosen from one of her books
A playable Supporter Operator in Arknights.
A founder and member of Ursus Student Self-Governing Group along with Zima and Gummy. She and her group took refuge at Rhodes Island during the fall of Chernobog at the end of Episode One. A cool-headed and rational, though somewhat introverted bookworm. She also provides intel and data processing services for Rhodes Island. She attacks by firing magic missiles from her book.
Her motif is based on bears.
VA: Yuuki Aoi