It is known simply as .
However, early builds of this prototype exhibited a phenomenon colloquially dubbed the "Magic Zombie Door." In standard survival horror design, a door represents a "safe zone"—a threshold that triggers a room load, despawning enemies and providing respite. In the Resident Evil 1.5 builds, due to errors in collision flagging and pathfinding navigation, zombies would clip through or operate door triggers incorrectly, appearing to materialize through solid barriers or walking through closed doors as if by magic. This paper details the technical root of this phenomenon and its impact on game balance. resident evil 1.5 magic zombie door