Slay the Queen is Garrick's first hardmode boss quest and leads to the Queen Slime domain.
- Talk to Garrick to start the quest.
- Complete both of the following:
Collect 5 Souls of Light
Defeat 10 Illuminant Slimes
- Return to Garrick. He gives you a Queen Slime Map.
- Enter the Queen Slime domain.
- Defeat Queen Slime.
- Return to Garrick and give him 1 Royal Jelly Core to complete the quest.