Treasure chests in sequence 2 - The Return | Treasure chests AC Chronicles: China Guide

Eliminate the guard and search the chest

CHEST 1/2 - First chest is located in the room with a guard who has a crossbow (after you reach that spot, a tutorial about fighting such enemies will start). It is hard to miss it as first you will be walking through a tunnel above that room and you will surely see the chest. To secure a chance to safely loot the chest you should first kill the guard with a crossbow (you can load last save game after all is done) when your character finds herself behind his back. A scroll is hidden in the chest.

Don't let the guards see you when you steal the scroll from the chest

CHEST 2/2 - Second chest is found in the last many-level territory (after leaving the main cave). It is located on the highest ledge in this location and in order to reach it you must complete a long climbing combined with guards avoiding. The platform with the chest is additionally guarded by two enemies, so start acting only after they walk in opposite directions. In the chest you will find second Scroll.