Izuku, The Arch Mage.

Part 12. Sinners - Barns Courtney.

We see Izuku and Eri fall out of the portal that the villain had opened.

Izuku grunted softly as he focused on a spell to slow their fall.

Once they'd landed, Izuku cast a spell that revealed where all living things around were.

"There!" Izuku said as he shot a bolt of lightning at a nearby wall, blowing a hole through it.

Before the dust had begun to settle, Izuku shot a fireball through the hole in the wall, hitting the villain who was knocked backwards from the explosion and knocking them out.

"Stay behind me, Eri!" Izuku lightly shouted after dodging a spear-like bolt of red energy by shifting his head out of the way.

Izuku lifted his right hand and cast a ward spell just in time to block a second bolt.

Keeping the ward up, Izuku fired a spear of ice towards the villain, impaling their arm and pinning them to the wall.

Seeing an opportunity, Izuku grabbed Eri's hand and bashed into one of the buildings nearby.

Kneeling down beside Eri, Izuku said "Alright, I need you to stay here, ok? I promise, I'll be right back." He smiled as he spoke.

"But-" Eri began.

"Don't worry. After all, I'm the strongest there is." Izuku said, giving her a bright smile.

As Izuku stood up, he cast a high-level illusion spell to make Eri look like just another pile of rubble. He then cast another spell that prevents any sound from leaving the small space around Eri. He also cast a "repel" ward to prevent any and all attacks from reaching her.

(He did this to ensure that even if a villain discovered where Eri was, they wouldn't be likely to find or able hurt her if they did find her.)

"COME FORTH AND SERVE MY WILL!!" Izuku yelled as he summoned all three of his daily Prime Evil's armed with strong fire magic, four of the four-armed demons armed with lightning magic, and five ghost-like women armed with ice magic.

"GO FORTH AND CARRY OUT MY WILL!! LEAVE NONE STANDING!!! ASK NO QUESTIONS AND GIVE NO MERCY!!!" Izuku yelled.

All 12 of the summons roared/shouted/screeched with the urge to fulfil their master's will.

Izuku, despite saying "give no mercy", still wanted to leave the villains alive. He meant it as "don't hold back".

"Now then, let's do this." Izuku mumbled to himself as ran off towards a large group of villains that were nearby.

After a minute of running, Izuku found the group. They'd fallen into a sinkhole caused by the ground under them giving way due to their combined weight.

Using magic to launch himself into the air, Izuku reinforced his body to the point of tungsten before using fire magic to turn himself into a missile.

He coated himself with highly volatile magic as he descended on the group.

"YA-HOO!!!" Izuku shouted as he fell, causing every villain in the group to look up.

Landing with a massive explosion, the villains were scattered in all directions like plastic bags in the wind because he landed in the center of the group.

Izuku quickly stood back up before spinning in place, shooting of a multitude of fire, ice, lightning, and wind spells like he was a tornado of death while laughing like a madman. (Basically, he did the "Death Blossom" ultimate used by Reaper from Overwatch, but with several elements instead of bullets.)

Izuku wanted to send a message to any villains that somehow escape. And that message was "Bring however many you want; I'll still beat you."

Quickly scanning the area for more villains, Izuku found none left in his area and decided to head back to Eri.