You get to change your team up when entering the QS Abyss and on Abyss floors 3, 4, and 5. You can’t revive in the QS challenge, though your character will be automatically revived after completing a floor.
Those ranking in “Sinful” will be promoted to “Agony,” and those ranking in “Agony” will be promoted to “Red Lotus. "
Those ranking in “Red Lotus” will be dropped to “Agony,” and those ranking in “Agony” will drop to “Sinful. " Those ranking in “Sinful” will remain in the same bracket. Players in the Preparation Zone neither get any rewards nor get to keep their tier.