All right, probably the best feat in the series...
Originally Posted by Zero no Tsukaima Volume 15
Although the magic that destroyed the fleet of Albion was similar...., there is still an incomparable distance in scale and destructiveness. Louise's "explosion" could wreck the wind stones carried onboard, even burn the ship's sails, but would never kill.
The thing just now, was just like a small sun Henrietta trembled at her own thoughts.
A fireball of radius reaching 5 miles, Henrietta could have never imagined