When Billy reached the mountain, he found a small army of those creatures entering a cave. He couldn't feel mana being sucked in there, so it didn't look like a dungeon. In any case, he entered the cave while beheading everything in his way until several of the frozen souls used their magic to fill the tunnel with ice. Billy was forced to stop because the ice got in his way, but he reacted fast enough to use his domain and drain the mana before he could be frozen. After that, he dashed again.
"These guys sure are annoying…" Billy said and then used Destructive Aura and then Shamanism while summoning the power of the fire spirit.
