Unlock the following arenas by performing the corresponding tasks:
ARENA - HOW TO UNLOCK Artika arena - Clear all seven trials in Artika Obliesk. The Krypt arena - Collect all 60 Relic items in Konquest mode. Edenian Ruins arena - Defeat the Giant Skulls in Edenia, then go up the path until the chests appear. Look inside the second chest from the left. Scorpion's Lair arena - Defeat the Giant Skulls in Edenia, then go up the path until the chests appear. Look inside the third chest.