Unfortunately, despite their shadow-like appearance, and preference for actual shadows... even when the room is bathed in light, they remain, staring down the direct light, one group of them actually attempting to swarm one of his globes to snuff it out.<br/><br/>The portal, however, draws them like flies to a corpse, and there's a near stampede to swarm through it, though many remain behind, to attack him, as well, for violating their domain, and clearing out what seems to be their food source.