Once inside the crater where all the snow golems were in, Scar began to engage all of them in battle and he was able to do pretty well on his own as he was vastly more powerful than every single one of them. The only problem was Yuki who was just over the level requirement which meant that he would struggle a lot since the quest was a group quest. Nevertheless, Yuki leaped into battle with "Fallen angel of hell" in hand as he prepared to do battle with the monsters.
After he, himself had made it into the crater and took one of the 5 golems for himself, Yuki realized that he was vastly outmatched. Even with him being a single level higher the the requirement, Yuki was in the desired platform for the ice golems who could take advantage of the terrain. Yuki's only hope was his ability, however if it wasn't hot enough, it would be completely useless.