This key is found by Jill and Josh during the Desperate Escape event. It is found at the end of Chapter 1-1 and is dropped by either a Chainsaw Majini or Gatling Gun Majini, depending on which one appears. It is used to unlock a door deeper into the Tricell Facility, leading to Chapter 1-2.
- ?, ed (2010). BIOHAZARD 5 kaitaisinsho Revised Edition. Enterbrain.