League of Legends in Multiverse Chapter 751

"What kind of monster will it summon?—That makes me a little excited..."

"I, Gilles de Rais, will never fail the Saint who entrusted me with this."

Caster spoke as he bowed humbly. No matter what, his feelings for Saint Jeanne d'Arc were beyond dispute.

Where the Dragon Witch could not see, Caster clenched a pitch-black tome hidden within the folds of his dark sorcerer's robe.

He placed all his hopes upon this original text that recorded forbidden arts.

Even the A+-ranked Noble Phantasm, the Tome of the R'lyeh, was merely a grimoire created by copying a tiny fraction of its surface.

As the original text of all forbidden sorcery in the world, it was not only written in a language other than human; it could not even be assigned a rank such as A+ or EX.

—The R'lyeh Text.

It was said to contain a method for summoning gods from other worlds. In the Cthulhu Mythos, it was a grimoire comparable to the Necronomicon, written in the R'lyeh language and used by ancient priests and sorcerers.

(PS: In the Fate series, this original text was only mentioned and never given a rank. But I figured evil gods should be pretty strong, so I'll just define it as unassessable (EX).)

Though he had no way of completely mastering this forbidden scripture, Caster believed that with more blood and stronger evil magical energy, he could use it to summon an evil god capable of destroying everything.

When that time came, whether it was Lianye or Gudako, everyone standing in his way would become food for the evil god.

PS: I was thinking, what if Caster sacrificed countless amounts of blood and magical energy, then summoned an evil god under everyone's watchful eyes? And then, from the black hole torn open above