Rain created other mirrors inside the dungeon until it reached the colder floors. The magic couldn't fight the sunlight conveyed in a single place, so the ice began to melt as the temperatures improved and the defenses of the monsters decreased too.
Rain also even able to burn alive frozen bats and frozen rats when he controlled the mirrors, so he gained experience without wasting a single point of mana. Thanks to that, a bunch of the warriors seemed to admire Rain thanks to his ingenuity, others looked perplexed since they were disappointed.
"Don't give me that look, I am not a muscle head that will solve every single problem with brute strength," Rain thought. "Respect my big brain prowess too. I am more than just a pretty face.