The two leaders of Slayer Demon Cliff—Dongbo Xueying had agreed to this deal precisely because the intelligence stated that they did not belong to any major power.
A sacred land's disciples.
Such as Great Void Heavenly Palace, Ancestor Island, Radiant Light Sacred Realm, Blade Emperor City, and so on...
First, they would possess protective treasures bestowed upon them. If they could not be killed in an instant, they would be able to activate those protective treasures. In that brief moment while the treasure was being activated, the major power would immediately dispatch experts through ultra-long-distance teleportation! If a major power was truly enraged, it was even possible for an ultimate existence to come personally and kill them.
Second, if he truly succeeded in killing...