6- Avalon Arc

Sakaru mysteriously gets visions of a goddess who urges him to go to an Island by the name of Avalon. Soon he makes it a private mission only taking his 4 best companions. They land on the island and realize it was a holy ground connecting Earth to Heaven. Sakaru then meets the goddess that there is an intruder on the island who is planning to convert the islands spiritual energy to alchemy to create a super weapon.