Tower at the End of the World can be obtained by having Merlin (Caster) reach Bond Level 10.
Tower at the End of the World is an exclusive CE to Merlin (Caster).
Rashoumon event (Ibaraki Douji event)
Murder at the Kogetsukan
Inheritance of Glory
Saber
Best Servants [★4]: 4 Star Tier List
Jack the Ripper
Jeanne d’Arc (Alter)
Cu Chulainn (Lancer)
Medusa
Phoenix Plume (Phoenix Feather)
Ereshkigal
Arthur Pendragon(Prototype)
Gorgon
Black Holy Grail (The Black Grail)