Fate Grand Order: Slayer Chronicles by Seanathan311

A young master in peril summons a servant in her time of need, but he was not a hero of her world. Ritsuka summons The Doomslayer under the class of Berserker and must work along with her friends to save her world from destruction. All the meanwhile learning about this mysterious demon slayer from another world.

109814 words in 17 chapters

requested 2021-10-14 22:17 UTC

source: https://www.fanfiction.net/s/13602157/1/Fate-Grand-Order-Slayer-Chronicles