Majin and the Forsaken Kingdom

Contrary to popular belief you don't need all the memory shards. They are in fact useless unless you are gunning for the cosplay achievements. The only thing you need to do is fully upgrade the Majin in every category including spells. The list is as follows: Strength, Stamina, Lightning, Flame, Wind and Purification. The fruit are easy enough to find without a guide you just need to back track through previous sections once you get a new spell. I beat the game without all the memory shards and without all treasure chests, but with a fully upgraded Majin and the achievement popped....simple