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--
So this is what the 
Mystic Eyes of Tuatha Dé can do.
هذا ما تستطيع أعين توا دي
الغامضة رؤيته إذاً؟
Das sind also die Magieaugen
der Tuatha Dé.
¿Así funcionan
los Ojos de los Tuatha Dé?
¿Así funcionan
los Ojos de los Tuatha Dé?
Voilà donc le pouvoir
de l’œil mystique…
Ecco come funzionano 
gli Occhi mistici dei Tuatha Dé...
Então é isso que os Olhos
Místicos de Tuatha Dé podem fazer.
Так вот на что способны 
глаза Туатха Де.