King Crimson
Very rare2.6%ObjectiveSoft-missable
Summon the Crimson King.
Recruits the secret character Red. With Bike rank 3, visit Ashen Plains on a Monday (fire day) to trigger an unmarked mission; clear it and a second appears - in that battle, have Peony interact with the central summoning device before it ends. Post-patch the ritual site is revisitable via free battles.