Interpretation of how I think, according to the style, culture and aptitude that this character could have been under the Greek helmet, it could be said that he is an OC.
Gnaeus from Honkai: Star Rail
-Trigger: Gnaeus,
-Body: short hair, brown hair, black eyes,
-Extra Body: muscular male, pectorals, abs, stubble, moustache stubble, (chest hair),
leg hair,
-Only Helmet: helmet,
-Suit1: greco-roman clothes, toga, vambraces, armlet, belt, gladiator skirt, gladiator sandals
-Extra: holding spear, holding shield,
Trained and tested for Illustrious , should work fine in other Checkpoints.
Works fine in 0.6 ~1.0