Was the guy breeding them like chicken for a KFC meal ?
Yet here they are. Completely oblivious to him. He was the Demon King of Tyranny. The first and most powerful demon king who ruled the Infernal Realm. He took as many human lives as there are stars in the sky. He killed as many Gods as there are sands in the ocean.
Demon King of Tyranny Anos Voldigoad in The Eminence in Shadow
That is a cool power should we add a limit maybe a sense disappears ? like in MHA sound would be a cool one tough to deal with but not impossible or sight