Omega now had an elated expression as he was happy to be able to flex his superiority on everyone for the first time while looking incredibly humble on the outside. The Moonlight Armor form was already too OP even for someone at third stage Saint rank. But now, Omega was about to reveal his second form.
"Here I go." he said.
Shwoooaaa!!
The following second, Omega's entire body was covered in black and red flames and so was Raijin.
Unlike before, there was a hint of chaotic aura filled with bloodlust emitting from him and the surrounding was suddenly filled with an oppressive force that made everyone feel like they were drowning underwater.
And finally, Omega donned in black and red armor, silver hair, and a black mask with white fangs on it was revealed to them.
Omega Twilight Armor Reference Art in chapter comments. Check it out.