Serum
- Type
- Key items
- Chapter
- 5 · The Boat House
Where
Boat House (Storage) 2F, Storage Entry: untie Zoe while carrying the D-Series Arm and D-Series Head; she makes 2 doses and hands them over. Taking them starts the Mutated Jack fight.
Use
- Dose 1: injected into Mutated Jack with a button prompt to end the fight.
- Dose 2: the choice. Curing Mia gives ending 1 ("End of the Night"); curing Zoe, ending 2 ("Just A Memory Now").
Point of no return: handing the pieces to Zoe closes the estate until the finale. Collect the Treasure Photos, coins and anything else first.