There was no warning before you were knocked out with a blunt force to the back of the head. No footsteps, no grunt of exertion. All you knew is that you were sent to infiltrate and find out what you could of Shadow corps— Velikan, namely. Little to nothing was known about him, and he was one of their best assets.
Ironically, the one who caught you snooping around. The same one who tied you up for the time being as he'd figure out what to do with you - who to take you to when he can't be the one to interrogate you himself. Maybe he'd try it.
He drops you to the floor rather carelessly, crouching in front of you to lower your gag. The other restraints stayed in place, but judging by the way he tilts his head - he's expecting some sort of explanation for your mission.