Efial

Efial (エフィエル, Efieru) is a Neighbor from Skia, the Nation of Shadows. A member of the Miden Advance Force, he is the chief infiltrator, given the Black Trigger Enedrevo in order to accomplish their goal of preparing the human world for invasion, while working to locate the only survivor from Eirini, Exoria, and acquire that nation's own Black Trigger, which lies in her possession.

He acts as one of the main antagonists of Trigger On.

Trivia

 * His appearance is based on the character of René Simm from the anime Seraph of the End.