Aion 2 Hidden Cubes: Rare Drops and Strategies In Aion 2, Hidden Cubes are rare open-world objects that give some of the most sought-after free rewards. For competitive players, they are a prime source of Pet Souls, which unlock and level up mounts, boosting both your stats and gameplay efficiency. Unlike regular loot, Hidden Cubes require a mix of environmental awareness, audio cues, and sometimes special keys to open, making them a...