Name: Fate Stay Night: A Hero's Path
Author:Seanathan311
Link:
https://m.fanfiction.net/s/13365021/1/Fate-Stay-Night-A-Hero-s-Path
-------------------------------------------------------------
When Ben Tennyson visits Fuyuki on a trip for some Extra credits and some downtime, instead he finds himself locked into a bloody battle for a Wish-Granting Grail. With no other choice, Ben shall use the power of the Ultimatrix and newfound allies to put an end to the battle and uncover the truth of the Holy Grail War of Fuyuki.
-------------------------------------------------------------
Ben 10 & Fate/stay night, M, English, Fantasy, chapters: 29, words: 153k+, favs: 326, follows: 316, updated: May 21, 2020 published: Aug 16, 2019, [Ben T., Caster] [Shirō E., Saber]
-------------------------------------------------------------
∆ ✓ Thanks Sonu_Siraj for recommending