In Splatoon 2's Octo Expansion DLC, there is a secret final boss fight that awaits you. To unlock this final challenge, you must have completed all 80 of the station levels in the DLC, and ...

This is not a true boss fight, but a more cinematic experience. You can still lose this fight, but the only objective is to get to the end, which will be marked by the members of the Cobra Unit as ...