For their next move, they will send out zombies from every entrance, every exit, and try to overwhelm the infantry on the ground. Easy pickings, so they will believe: Lelouch and Lancelot are out of position to hit everywhere at once. Which is why Lamorak was waiting on top of the building. It threw its cloaking device high into the air, and then Gawain lifted its arm and took aim with its wrist mounted UV projector. When the cloaking device was struck by the light it reflected and magnified within its own light refracting field, and bathed the building in its undead destroying radiance.

-Lulu's Bizarre Rebellion Chapter 45