A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard's downfall, he used the wizard's body as a springboard to gain influence and power in his new world.
When a large group of zombies was about to rush into Moramatch, the mage group finally started their first strike. There were waves of intense magic surges. Even the dwarves and gnomes in the underground city felt the magic surges. They stopped what they were doing and stared at the cave roof in wonder.
A master swordsman might be a match for an archmage, but a hundred master swordsmen would not win over a hundred archmages, without any doubt. If mages released large-scale destructive magic, it would be as if each archmage was under hundreds of magic attacks. Even the legendary grandmaster swordsmen would not necessarily win.