The Lion Key appears in all Difficulties, except in VERY HARD, where the door leading to the Service road is already unlocked.
- Insert 2 Raccoon Medals inside the Raccoon Ornament located in the Inner office. The Key is then unveiled behind the Red Lion Painting.
- Insert 3 Raccoon Medals inside the Raccoon Ornament. The Key is unveiled behind the Red Lion Painting.
- Ara, Masui, ed (2004). BIOHAZARD OUTBREAK FILE 2 GRAND BIBLE. Japan: Capcom.