Unlimited Sword System in the Apocalypse

A strange meteor shower turned the world into a paradise for zombies and strange beasts. However, this meteor shower broke the barriers between dimensions. Spiritual bases, the crystallization of the abilities of the two-dimensional heroes, are scattered in the corners of the world, looking for their hosts. And how will the protagonist, who is inhabited by the spirit base of Emiya, the guardian hero from the fate world, survive in this cruel apocalypse? Adorable new author, please don't comment... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.