The world's finest Assassin accepts the Goddess' request to assassinate the Hero. After defeating the Demon Lord and saving the world, the Hero will then use his power to destroy the world. The Goddess wants the Assassin to be reincarnated in another world and assassinate the Hero in order to save it. After being betrayed and killed by his client in his previous life, the Assassin accepts her offer in order to relive his life in a new world, but--
In addition to the basic attributes 
of Earth, Fire, Wind, and Water,
بالإضافة لسمات الأرض والنار 
والرياح والماء الأساسيّة
Zusätzlich zu den Grundelementen
Erde, Feuer, Wind und Wasser
Además de los elementos básicos
de la tierra, fuego, viento y agua,
Además de los elementos básicos
de la tierra, fuego, viento y agua,
En plus des classiques
Oltre ai quattro elementi di base, e cioè
terra, fuoco, vento e acqua,
Além dos atributos básicos
de Terra, Fogo, Vento e Água,
Вдобавок к базовым стихиям — 
земли, огня, ветра, воды —