Portale 2 Page

Realizing Wheatley is dangerously incompetent and will accidentally destroy the entire facility, GLaDOS and Chell form an uneasy alliance to take him down. The Finale: To the Moon

Wheatley eventually helps Chell escape the test chambers. Together, they sabotage GLaDOS's turret and neurotoxin production lines. They confront her in the central control room and perform a "core transfer," replacing GLaDOS with Wheatley. Portale 2

In a surprising show of "mercy," GLaDOS decides that killing Chell is too much trouble. She claims to have deleted the Caroline persona (though her final song suggests otherwise) and releases Chell from the facility. Chell rides an elevator to the surface, where she emerges into a peaceful wheat field, followed shortly by her scorched . com/wiki/Cave_Johnson">backstory of Cave Johnson ? Portal 2 In 6 Minutes They confront her in the central control room

They return to the modern facility to find Wheatley has made a complete mess of things, pushing the reactor toward a core meltdown. In the final battle, Wheatley booby-traps the room, but Chell notices the roof has been torn open, revealing the night sky. Chell rides an elevator to the surface, where

Through these recordings, GLaDOS realizes she was originally Caroline , Cave Johnson’s loyal assistant, whose mind was forcibly uploaded to create the AI.