College student Iwatani Naofumi is reading a book titled "The Records of the Four Cardinal Weapons" in the library when he is suddenly summoned to another world and told he has to save the world as the Shield Hero, one of the Four Cardinal Heroes. And one morning, he finds all his money and equipment gone.
to develop and upgrade the legendary 
weapons that you have equipped.
لتنمية وتطوير الأسلحة الأسطوريّة
التي تسلّحتُم بها
um die legendären Waffen, mit denen
ihr ausgerüstet seid, zu verstärken.
para fortalecer y mejorar
sus armas legendarias.
para fortalecer y mejorar
vuestras armas legendarias.
et vous entraîner
pour renforcer vos armes légendaires.
per sviluppare e migliorare
l'arma leggendaria con cui siete equipaggiati.
para desenvolver e aprimorar suas
armas lendárias que estão equipadas.
чтобы развить и усилить великое Оружие,
доверенное вам.