Sebastian’s body is shaped similarly to that of a sea snake, in that it is elongated with blue scales. At the end of his body is a large tail fin. Sebastian’s skin is a light blue. His torso is humanoid, with two larger arms and one smaller arm on his left side

Gabriel's armor is white and gold. His armor includes golden pauldrons, gauntlets that extend to his shoulders, and greaves that reach up to his thighs. His breastplate is gold and white, likewise are his tassets and helmet.