Ren Amaki

Ren Amaki (天木錬, Amaki Ren), commonly referred to as the Sword Hero (剣の勇者, Ken no Yuusha), is a major character in The Rising of the Shield Hero franchise. He acts as the main antagonist of the eleventh volume of the light novel. Amaki also appears in the spin-off series The Reprise of the Spear Hero, which is based in an alternate timeline. Ren was originally a 16-year-old high school student from an alternate version of Japan. This Japan was a lot more technologically advanced then the average version, where every game was virtual reality. One day, Ren and his best friend were assaulted by a serial murderer. Ren died saving his best friend, and the murderer was apprehended. He soon woke up in a fantasy world. Amaki had been summoned alongside three other Japanese men from different versions of Japan to save the world from the Waves of Calamity. These four men (including Amaki) received a Legendary weapon each, becoming the Four Legendary Heroes who were destined to protect the fantasy world. Ren was given the Legendary Sword, making him the Sword Hero.