Also known as: 塔季扬娜·叶甫盖尼耶夫娜·拉里娜, 塔季扬娜, タチアナ・エフゲニエヴナ・ラリーナ, タチアナ
An Ursus explorer, Leto (Arknights)'s mother and Arctosz Paleroche (Arknights)'s separated wife. She contracted Oripathy during the Chernobog Crisis when she went into the Catastrophe zone to search for her daughter, currently receiving treatment on Rhodes Island.