While we are dying on the bridge over and over and trying to kill vishap

[Kiroh]

There are magical wards across all other parts of the city that are generated on the bridge. So Iceheart disabled the first one, and then Vishap was sent in to blast down the wards one by one, so that the rest of the city would be completely defenseless to airborne attacks.

Basically, if Vishap and other Dravonians tried an aerial attack with the wards still up, it would be akin to a bird smacking into a glass window. THUNK!

I think what Illya meant is that it makes more sense for a FLYING dragon to just nuke the wards from the air where...you know...he can't be attacked...