The situation got complicated pretty quickly. With that aura active, Billy couldn't get close to the monster, and without getting close, he couldn't attack and use his best weapon. That was truly troublesome… Billy barely could recognize that such a strategy came from the same monster that just waited for him to show up. In any case, the samurai won't be able to help him at that rate. He had to think fast and solve the situation because things will only get harder the more time passes and the samurai will die faster... In the end, he found his answer, even thought it also looked like he was only making things more difficult.
"I suppose it can't be helped… I can't focus on preserving mana like this," Billy thought and then jumped.