Twin Mage Gods vs Yin-Yang Death Knight

Sillo gritted his teeth. He continued to hammer his skeletal opponent with spell after spell.

"You're too hot-headed. If you were more cautious like your sister, then you'd be more forbiddable," stated Duorda, carving through holy swords and dark sabers with his long, sickly bone sickle.

"Shut up!" 

"If I do that, you'll never learn. You don't want your sister outgrowing you, right? You don't want her surpassing you and never needing your help?"

"SHUT UP!"

"Listen! I'm trying to help you."

A web of lightning materialized around them, keeping Sillo at the center and offering Duorda no chance to escape.

"This again?" Duorda sighed.

"You can't--"

"I told you, this is useless! Your mana control is too sloppy to contain me…"