These are...
Under the mask, Seer's face was filled with disbelief, because the cracks in the spatial seal were all terrifying existences.
The largest one at the front was a purplish-red crack. That incomparably violent aura filled every cell with fear, as if the thing inside could devour everything in the world as soon as it came out, the kind that did not leave a single bit of dregs!
One could tell with one's butt that it was definitely the place where the Void was sealed!
It seemed that the other party was not lying when he said that he was in charge of sealing the void.
But what made people even more fearful was the other cracks. Every threat seemed to be no less than the void itself!
It was a pure gray crack. At first glance, it was deathly silent and cold inside. There was not a trace of life in it. Seer, who had already come into contact with the undead realm, instantly recognized that this was definitely a huge death boundary!