Q. How is my progression saved when I invite a friend to join my game in co-op?
A. In the co-op mode, the narrative of the game is centered on the player hosting the game. As the host, you keep both your World Progression and your Player Progression, exactly as you would in single player mode.
Q. How is my progression saved when I am invited to join a friend’s game in co-op?
A. The player invited in the host’s game is essentially a “Friend for Hire”. When you join a co-op game as a guest, you are playing in your host’s world and help them progress.
This means that once you leave the co-op mode after a game as a Friend for Hire, you do not keep the World Progression completed during the co-op session. However, you keep your own Player Progression – XP, in-game currency, inventory items, and more – once you leave the co-op game and are back in your own world.