Archelon
Objectives
Go to the start of Imbrium Valley in Lunar Glade. Defeat the monsters around a rock with violet light. Caution: If you trashed this quest, even if you defeated Archelon, you still won't be able to get the signature.
Quest stages
Conversations
It is at the end of the Imbrium Valley in the Lunar Glade. Around a rock with violet light, you should defeat all the monsters to see the old fatty turtle. Go for it, kid!
Understood.