You should have played Kaku Ancient Seal. One of the more troublesome ones is the summary of epic treasure chest locations in "Kaku Ancient Seal". If you really don't know how to do this summary of epic treasure chest locations in "Kaku Ancient Seal", you can browse this book. This guide is actually not difficult if you look closely, just follow the guide, it is very simple.
Given at the start
Epic Chest 1
Epic Chest 1 Map
Jump over here
Epic Chest 2
Epic Chest 2 Map
You have to jump over stones next to the waterfall.
Epic Chest 3
Epic Chest 3 Map
Step on the edge and double jump + shift to rush over.
Epic Chest 4
Epic Chest 4 Map
A group of self-destructing pinrats are guarding them, be careful of being shot in seconds
Epic Chest 5
Epic Chest 5 Map
You can see the path on the other side, just jump down step by step
Epic Chest 6
Epic Chest 6 Map
On the tree, double jump + shift sprint to get up easily
Epic Chest 7
Epic Chest 7 Map
Behind the armored bear
Epic Chest 8
Epic Chest 8 Map