William accumulated the techniques, and with his experience in doing it before he managed to do it better this time. He kept a close eye on anything that might go wrong, and he spotted a few little flaws here and there.
"I need to edit it again," he inwardly sighed when he spotted dozens of little flaws that made the end result not quite satisfying for him, "I need to deal a single blow towards that monster, as we'll only have one chance to take it down, or at least weaken it…"
He thought to himself, before finally gathering the last bit of released techniques. "Retreat! Retreat now!" he knew once the order was given, he'd be all alone in the middle of an ocean of monsters.
He already gulped two elixirs together, and pushed himself beyond his limits. Then he pushed with everything he got, dashed madly forward before finally couldn't handle the pressure.