He'd said that working magic right under a Spire was dangerous, but he was almost entirely bluffing.
Unfortunately, only almost.
The Fatebinder was throwing something big at around, and one of the hired Sages on the other side was attacking her, and Lantry was a little too close and didn't abandon his spell in time, and it somehow grounded on him, because he has had rotten luck since the Vellum Citadel burned, and something about the Spire shook and flared...
And he was elsewhere.