Although Su Mubai had 5000 Space Crystals, he only used the portion needed for promotion, saving the rest for when he might need them later.

Before opening the Treasure Chest, Su Mubai didn't forget to check the Cataclysm trait of the chest.

[Cataclysm Trait]: Items obtained from this chest will gain the affixes of non-droppable, non-stealable, and non-duplicable.

"Is that it?"