Their actual name its unknown. They drop from fallen enemies.
Loot container

They are opened by being near them and pressing 'Space' on the keyboard.  

They despawn if they are not looted after a few minutes.

There is a cubic version that drops from bosses and from some normal enemies. These Loot Cubes or Chests, can glow either green or blue in normal adventures, and can also glow purple in Group Adventures and Raids. 

Contents Edit

Spheric version (Orb)

Cubic version (Chest)

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