Deciding whether to spare De Vries in The Outer Worlds 2 is the culmination of your journey through Arcadia so far, but despite what you might've expected, it's not the end of the game by a long shot. After chasing the rogue Earth Directorate agent, you finally corner her in Greater Tranquillity Substation, where she's about to perform her biggest gambit yet: assassinating peace representatives from Auntie's Choice and the Order.
This leaves you with three choices: kill De Vries, spare De Vries, or spare De Vries and let her assassinate the representatives. Each option has its own set of consequences, so I've laid them out below, including the path you need to take dialogue-wise to get De Vries to stand down.
