With scrutiny, Jacob looked at the towering black doom guarded by hundreds of unique rank dark beings.
It was completely sealed off from all sides, and the only way inside was a sealed gate embedded with gray runes, and two cloaked liches were standing guard without moving.
This was quite peculiar since he didn't expect something like this in the middle of this place, and by the looks of it, that place seemed to be quite important to the dark beings.
Just to get here, one had to go through dark beasts and poisonous plants and insects. Even a unique tier-9 might not be able to do it. Only someone like Jacob, with immunity to poison, can reach this place.
Furthermore, despite this place being filled with dark beasts and poisonous insects, that dome was completely untouched, which was quite strange.