Here's a walkthrough for the Puzzle Mystery on Broken Isle, which involves using the Wind-Blessed Harpastum to reveal a hidden cave, and then changing the water levels of different ponds around the island.
[00:00] Stone Painting
[00:59] Cave Mural
[01:49] Northwest Pond
[03:20] West Pond
[04:00] Central Pond
[04:36] East Pond
[05:27] Northeast Pond
[07:12] Stone Pillar Solution
Genshin Impact Broken Isle Puzzle Mystery - Golden Apple Archipelago Solution