The Moon Cave and the midboss of the game, the festival in Kamiki Village, and the path forward to Sei-an City and the Sunken Ship.
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Jay's paper drawing from the Moon Cave
Explanation of why there are two high tides on the Earth at any time
Proceeding apace with the next outdoor area, Taka Pass and the quests in the surrounding villages, and into the Gale Shrine dungeon.