(It's okay, take your time :) )
Blake tried to look as unsuspicious as possible, although he thought he would be random for anyone to even assume he was a shapeshifter. He looked at Ben, hoping he wouldn't turn around, then slowly began going back up the stairs.
Blake gained a bit of distance and turned a corner. He quickly transformed into a person he saw in the mansion, a tall monochrome clown. He tried to compose himself quickly, and regain his breath.
"That's odd." Blake responded, trying to think of an excuse to leave quickly. He didn't know how much longer he could hold his current form, and could already feel the exhaustion creeping in. "I'm gonna go....get a snack quickly."