Trials of the Dragon King

Completed the mission "Light of Possibility."

Completed the additional mission: "Ebon Memories: Hope Within Despair."

Talked to Bahamut via Conversations with Bahamut.

Completed a mission with a dragon king trial enabled.

Equipped a ★4 or better accessory.

Equipped a staff.

Unlocked the summoner.

Unlocked the evoker.