Significant hints are dropped regarding the nature of the demon in Asta's grimoire and the identity of the elf soul within Yuno , which is revealed to be the unborn child of Licht and the human princess Tetia .
The Devil reveals that it was he, not the human prince, who orchestrated the massacre. He has used Patry and the elves as mere pawns to gain a physical body in the living world.
The English dub is produced by (formerly Funimation) and features the following key cast for this episode: "Black Clover" Mastermind (TV Episode 2019) - IMDb
The being previously masquerading as the elf Ronne reveals himself as a Devil (later named Zagred ). He admits to manipulating both humans and elves 500 years ago to create a five-leaf grimoire.