As Chrissy repeatedly tries to scare Shawn, he suddenly recalls that he locked the door to the Manor, meaning Chrissy had to have waited there for Shawn. He accuses her of being a stalker and tells her to leave. She attacks him, biting his neck.In self defense he stabs her in the neck.
The ending sees Evelyn embracing every version of herself in the multiverse and pulling back her daughter from the darkness. The Everything Everywhere All at Once ending has many layers that explain the film's themes, the multiverse rules, and more.