He couldn't wait, afraid Signless might change his mind for some inexplicable reason—like maybe those pathetic attempts at trying to sound like he was attacking Roland. To Roland's credit, he did try to play along.

As soon as Signless shambled past the threshold, Psii broke free of Roland. He lunged at Signless in a desperate lanky flail of limbs, hoping to just knock the wind out of him. He didn't have much of a plan other than pinning him to the ground and slamming his head until he lost consciousness.