"All right, we are approaching the first dungeon, so we are going to explore slowly in order to gain experience," Billy declared. "I am going to leave the submarine floating, so I think at least one of us should stay nearby and guard it. If no one wants to volunteer, then we will decide by seeing who will be the slowest and most nervous underwater. In any case, just follow my lead and copy my moves. It isn't anything hard."
After overseeing the dungeon for a while, billy and the others learned that groups of water worms leave it every thirty minutes for whatever reason. Probably to have some advantage over other creatures of the ocean… Nevertheless, even though the group had five hundred monsters, they were thoroughly exterminated…