As he Ceterus finished his swords... The scales in his entire body thickened, and the tail on his back grew to eight inches. The thorns on the tails gave a cold glint and sparks of blue lightning started to surround it.
On the other hand, a burning crystal emerged from Ceterus' forehead. The flames on the crystal spread from the skeleton armor, which then enveloped his whole body! Lastly, his golden pupils became even more golden, and the majestic and domineering aura started to come out from him!
DING!