World's End is Azariel's endgame quest and currently covers both the Lunatic Cultist and Moon Lord domains.
- Holy Absolution must be completed.
- Empress of Light must already be defeated.
- Return to the Overworld and prepare yourself.
- Talk to Azariel to continue the quest.
- A portal is opened at Ravencrest's chamber.
- Enter the Lunatic Cultist's domain.
- Defeat Lunatic Cultist.
- Enter the Moon Lord's domain.
- Defeat Moon Lord.
- Return to Azariel to complete the quest.
- The localization mentions biome sigils, but the current quest code does not yet use that collection step.
- The source code also contains TODOs for post-Cultist pillar progression and other endgame handoff steps.