Diablo four Capstone Dungeon Rewards After defeating The Curator, gamers can accumulate the loot he dropped earlier than exiting the Cathedral of Light for a more reward. Completing this first Capstone Dungeon unlocks Diablo 4's World Tier three: Nightmare, a tougher game mode with a few extra perks. On World Tier three, players will also advantage a one hundred% raise to the XP they gain in...