How do you get the tree hollow key?

To obtain the Tree Hollow Key in the game, you typically need to complete specific quests or challenges that lead you to it. Often, this involves solving puzzles or defeating certain enemies guarding the key. Check in-game clues or guides for precise locations and requirements, as they can vary based on the game version. Once you have the key, it can usually be used to unlock hidden areas or treasures within the game.