Orum slows his pace as he enters the building, gripping his glaive with hands that twist and shift about. Truth be told, he hadn't really expected Omar to dart back this way; it either meant he had an ace in the hole inside or he expected to make a break out through a side passage.
Either way, Orum would have to prepare for the worst.
"Show yourself, Omar!" he bellows as he spins and looks into the room to his right. "I merely wish to ask you a few questions. If you do something foolish like run or even attempt to attack me, I will be forced to use extreme force!"
Double MA: Forward twenty feet, then move twenty feet to the right and check out the room over there.