"It's a compactor," Valeria realized, her eyes widening in horror as a mirror the size of a skyscraper folded down from the 'ceiling', cutting their available headroom in half. "It's going to crush us!"
"Shields up!" Magnus roared. The Iron Shell Guardian didn't wait. He slammed his massive tower shield into the invisible floor, projecting a dense, grey dome of force meant to hold up a collapsing mountain.
The descending mirror hit Magnus's shield.
There was no epic clash. There was no shower of sparks. The mirror simply passed right through the grey dome as if it didn't exist, continuing its slow, inexorable fold toward their heads.
"Physical barriers are useless!" Alvian shouted, his mind racing through millions of calculations per second. "The walls aren't physical matter! They are spatial parameters! You can't block the concept of a shrinking room!"
