Demon Twin Dog Orthros (魔双犬のオルトロス, Masōken no Orutorosu) is one of the Giants.
Its massive appearance, the collar of thorns and the reinforcement shape reminiscent of a mastiff dog, always ready to snap. Without the armor, Orthros no human form, but it is a two-headed dog. It is probably the helmet to give him the gift of speech. Is able to move in the dark and manovare with telekinesis its collars, which represent two-headed dog that bite at a distance the enemy. After a hard fight, die for the Aurora Execution.
- Sappheiros Enedra (サフィロスエネドラー, Safirosu Enedorā, lit. Sapphire Trap in greek)