Assassin

Assassin

アサシン

Assassin's identity is that of the legendary Persian "Old Man of the Mountain," Hassan-i-Sabah the leader of al-Assasīn.

Assassin serves as the Servant of Kirei Kotomine in the 4th Holy Grail War, his unique trait being that he can manifest as multiple entities at once.

(Source: Wikipedia)

Manga
EN/JA

All Around Type-Moon

7.86

EN/JA

Chap 11 [EN]

Vol 3 [EN]

All Around Type-Moon
EN/FR/JA

Fate/Zero

7.75

EN/FR/JA

Chap 74.5 [JA]

Vol 8 [EN]

Fate/Zero