A bit of humiliation

Cinder positioned herself next to the door of the roof, planning to shut and lock it once Blake entered.

As for Emerald, He hid nearby. She was going to use her semblance to create an illusion to obscure the sides of the roof so that Blake couldn't escape.

Neo, meanwhile, was giving commands to Yang. Duke figured that when it came to being a little bit of a prankster, Neo was the go to.

And Duke hid nearby, planning to strike Blake when hee guard lowered

Everything seemed in place, and the door opened as Blake stepped onto the roof and the plan was set in motion.