Complex sentence: The Sole Survivor is forced to navigate a maze called the Gauntlet, an increasingly-deadly obstacle course that culminates with a fight to the death against Overboss Colter, the leader of the raiders, which Gage warns is rigged in Colter's favor.
Split into simpler sentences: The Sole Survivor is forced to navigate a maze called the Gauntlet, an increasingly-deadly obstacle course. It culminates with a fight to the death against the raiders'leader Overboss Colter, which Gage warns is rigged in Colter's favor.