[Yuan is perfectly willing to take Kratos's mind off such thoughts again, because there's plenty more mindboggling information where that came from.]

Mithos destroyed the Tower of Salvation and attempted to have Derris-Kharlan leave the planet's orbit, taking the Great Seed with it. Lloyd and his friends chased after him with the power of the Eternal Sword and cornered him in Vinheim. Mithos refused to give up on his ideals, so they had no choice but to... end his life.