Welt Yang is the current Sovereign of Anti-Entropy. he inherited the name "Welt" and the 1st Herrscher's from Welt Joyce before the latter died from an injury. *Nanook  is an Aeon in Honkai: Star Rail representing The Destruction, and the leader of the Antimatter Legion.He have golden eyes.

After fought with enemies at the space,welt lost conciousness.and the first thing he woke up is by a gigantic figure with in Nanook,aeon of destruction.That holding his body with his gigantic hands.