There were no guards to get in Damian's way and prevent him from completing the task. But of course, the principal's room would indeed have some defense mechanisms, so Damian went inside, covered by his invisibility cloak, and floating to make sure his feet did not touch anything that could trigger a trap.
If other things were protecting the room, then Damian would have to find ways to deal with it after he was inside. Darius had told him the room would have many guards, but he had dealt with them already, and no one knew for sure what was inside the principal's room; only the principal himself knew!
After entering, he first saw a desk with some papers on it and a fine chair office chair that looked comfy—a bookshelf with many books, an air conditioner, and a laptop. It looked like the room of someone who ran a company.
"A school like this is like a company, right? Anyway, where should I look first?"
