My Blood Type Mark is on the Sleeve
Available during event:Blackout(Jul 14 — Aug 2, 2026)
Starts:
Therapist
Required level:1
Prerequisite quests:
Unlocks quests:

Objectives
Guide
Just like in the previous quests, obtain the key from a soldier or from , then head . Check the code on the whiteboard—this code will be used to unlock all of the doors required to collect the quest items.
- TG-y Blood Sample from the Experimentation Room — located inside the room that previously required the Black Keycard, inside the perforated glass containment chamber.
- TG-y Blood Sample from the Second-Floor Laboratory — located inside the room that previously required the Green Keycard, in the refrigerator on the lower shelf, on a counter on the left from the door in the main room or at the bottom of laboratory equipment at the end of the room.
- Laboratory Journal from Sanitar's Office — located on the desk to the right of the laptop.
The first blood sample tube in a glass glove box
The second blood sample on a counter on the left from the door in the main room
The second blood sample at the bottom of a standing fridge
The second blood sample at the bottom of laboratory equipment at the end of the room
The journal on a desk next to a laptop and scales
