Please see Harbinger Event.
Hadesheim Crater NFT
More info about this type of NFTs: Entropia Location NFTs
An enormous facility established by the robot invaders of Planet Calypso for mass production of experimental humanoid hybrid soldiers.
Entropia Universe is an advanced 3D online virtual environment with a developed planetary system and one universal Real Cash Economy system. Each planet offers a wide variety of exciting entertainment. You can travel between the planets through space and socialize with people from all over the world.