First up, Catherine. Once she approached Akira and Elizabeth, the latter sped towards the assassin with Timespace, before teleporting away once the two were near the point of contact. The MMO maker would then reappear on top of Catherine, flying, and smash her with a Gravity Hammer that was surprisingly good for someone who hadn't killed anyone in her entire life.

Akira, meanwhile, would assail Catherine with an illusion of vertigo, of the world around her melting and sloughing away into liquid. This would include the ground, which would turn into quicksand, causing the assassin's legs to sink and her dexterity to be harmed. He also placed a mental compulsion of artificial fear, in order to make sure that Catherine would not just blast everything away.

Speaking of illusions, Eise and Silas themselves were in one, cast by Kariya in the split-second he sensed the duo's minds with his magic. Of course, being a person of strong will, Black Cat would shrug them off in a few seconds, and Silas some time later, but by that time, Akira was already packing, leaving Elizabeth to take care of Catherine and Eise by herself...for now. 

Clarissa, meanwhile, would be assailed be lightning bolts from Ken Saddler, lightning bolts as fast as well, light. If Clarissa managed to shrug them off, Ken would then teleport away - Timespace was the most common School for a reason - and reappear behind another booth, from which he would fling now-destroyed pieces of electronic equipment at the woman.

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[I]So, they have struck,[/i] thought Ascot, who, was in an in Agency Nanosuit, a piece of Pure Technology that cloaked him fully from Magic (and as EMP Hardened). Bringing his hand up, he cast several shields that protected several civilians from Catherine and Clarissa's attacks, but chose not to make his apperance as ArcU had not made its move yet...although Akira Kariya had.

[i]Well, time to bring in the cavalry[/i], the boy spoke to himself before activating a computer virus he had placed inside Arc U's security systems. This virus would shut down the Anti-Teleportation field, allowing Balthazar and her agents to come inside the facility without interference. Speaking of Balthazar, she certainy wouldn't like the two moles that would bejoining their side later in the battle; she barely liked anyone.

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"Heard you loud and clear, Joshua," spoke Heinz from his mission control room, where he had been monitoring the situation. "As for clues, there are four assassins; two male, two female. The male ones are actually our moles - don't tell Thaz that; this will be good practice for her - while the two females...are most manifestly not. Several civilians are already wounded, but we're moving to reduce casualties."

"Right now, though, you're needed to rescue Ken Saddler - one of the game developers. He's the one on the right of the conference, trying to evade or fight off two of the assassins, one with Matter, the other - our mole - with Death, Otherness, and Law. Thaz is already reinforcing Akira Kariya and Elizabeth Cortes, and Axel and Genevieve are with her." 

Conor, meanwhile, was attacking Omega and Clarissa, leaping into action, literally, and showering the two with fists that glowed with Law Magic, a silvery-white light that had as much penetrative power against magic as Eise's claws. This was followed up with kicks that raised the earth below them, turning it into floating projectiles that were launched at the two; Clarissa can cause them to break down with Matter Magic...

...While Omega cannot. Seeing this, Conor drew his Moro Binakulo, which still glowed with Law/Prime Magic, and began advancing towards the man. Omega would then remember that he was supposed to give this hotshot a rough time, and that he could, if he wanted to, match him blade for blade. That, or just blast him with Death energy (small-e), which would also work.