This time, Vincent's luck is apparently spent, and he goes flying off his feet. His demigod constitution is all that's preserved his eardrums at this point, enough for him to hear the falling bits of mortar and screaming bystanders as they run from the now doomed building.

He doesn't have a choice. He diverts all his attention away from Jay, hoping for more help to arrive soon, and focuses on the building. Shield spells. Lots and lots of shield spells. He can't just wrap them around the outside of the building, or it'll pancake and fall into itself. He sets one against either side, then tries to visualize the interior floors, bracing the ceilings one by one. It's not going to last forever, but hopefully people can evacuate.