Assassin (Fate/Grand Order - Dr. Jekyll)

Assassin (アサシン) is the Assassin-class Servant able to be summoned by the Protagonist in the Grand Orders of Fate/Grand Order. He also appears in Fate/Prototype: Fragments.

Identity
Assassin's True Name is.

Abilities
Jekyll is of the Assassin class, but turns into Berserker-class Hyde upon using Dangerous Game. This incarnation of Berserker is different than when Jekyll is summoned as Berserker in that he retains his human form, as well as more of his sanity and reason.

Creation and Conception
Nakahara is the character designer for Dr Jekyll.