Wu Tao's words didn't give him any particular surprise, he knew without thinking that a labyrinth with such high difficulty wouldn't be set up here without reason.
Moreover, according to his consistent gaming experience, since there were no monsters in the labyrinth, there wouldn't be a BOSS waiting for him to fight at the end of it either.
Undoubtedly, what was hidden behind this labyrinth should be some good stuff, maybe a treasure chest that once opened, could grant super awesome equipment, or perhaps an apple tree laden with magical Golden Apples, eating one granting eternal life, eating two allowing one to ascend to immortality.
But it could also be something like a cursed Demon Sword, acquiring this sword would grant great Strength, yet one might be tempted and corrupted by the sword, lose their mind, Xiao Buli speculated all kinds of possibilities, and according to the nature of this game, it really wasn't impossible.