Create a collectibles chest sprite
There's nothing more annoying than seeing a chest, going out of your way to get it, only to find that it wasn't something you really needed.
Therefore, I want treasure chests that contain a collectible to look different. It should be obvious whether the chest contains something important or just a collectible by looking at it.
The Zoria chests are here:
We only need a small variant (16x16). The large version is rarely used.