This guide explains how to solve the hidden button puzzle in Fisch, a Roblox game, to obtain the Red Energy Crystal and the Heaven's Rod fishing rod. The puzzle requires activating five buttons located across different islands.
The Northern Summit Puzzle & the Red Energy Crystal
The Northern Expedition update introduces a challenging mountain climb in Fisch. At the summit lies a puzzle involving four Energy Crystals, needed to acquire the powerful (but expensive, 1,750,000 C$) Heaven's Rod. However, the Red Energy Crystal is hidden. After finding the first three crystals, you must speak to an NPC in the Glacial Grotto. They'll direct you to find five hidden buttons scattered across various islands.
Button Locations:

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Moosewood Island: Locate the button behind the leaderboard near the pier. It's close to the ground.
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Roslit Bay: Head inland from the pier. Near the campsite, find the Angler NPC. The button is hidden amongst the logs on the ground.
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Forsaken Shores: Go to the watchtowers on the right side of the island (visible from the boat due to a red glow). Climb the watchtower nearest the pier.
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Snowcap Island: Travel to Upper Snowcap and find the Wilson NPC. The button is concealed within the wooden fence beside him.
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Ancient Isle: Visit the unfinished lighthouse. The button is located on the side of the entrance.
Completing the Puzzle:
After pressing all five buttons, return to the Glacial Grotto and speak with the NPC near the large crystals. This will unlock the passage to the Red Energy Crystal, completing the puzzle.
Video Guide:
[A video walkthrough demonstrating the button locations would be included here.]
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