Sans looked at Issei, spoke out.

"As you wish!!!"

He than charged at Issei and punched him. Shockingly, the striking power of his punch has now increased immensely, as Issei is sent flying. But Issei than unleashed his own punch, and this time, it hurts Sans just as much as Sans hurt Issei. They both evenly matched each other with their kicks, punches, and with the use of their powers this time. But Sans' magic far outclasses Issei's demonic powers, as Sans used his Gravity Manipulation to fling him back to Rias' group.

Issei crashed to the ground, as Sans landed. Sans glared at them, as he than fired a Abyss Crystal Shard at Koneko, right in the leg, making her scream in agony.

"Koneko!!! How dare you??!!!"

Rias shouted, as Sans spoke out loud.

"I warned you to stay away from and to not try and fight. That's your fault."

This made Rias furious, who than decides to kill Sans. He than breaths deeply, as Rias prepares her Power of Destruction towards Sans, and than...dies the Power of Destruction right at Sans. But suddenly...

A Queen Lancer summon came out of nowhere and protected Sans and his group against the Power of Destruction. Everyone was shocked...and Only Sans realized what must have happened. He slaps himself in the head, as he than sensed who had come to him...again.

"Ahhh, great. Why must they have followed us?"

Leone and Akame looked at Sans.

"Who..."

Sans looks up, and spoke out.

"My former lovers, Team RWBY."

And true to his words, Team RWBY appeared out of nowhere, with NPR, ready to fight against the enemy.