Excelsior
There was no doubt about it: when it came to raw power, it felt as though it was impossible to surmount the gap with just magical reinforcement against a system's stages. Still, through the usage of a veil of wind around himself and optimizing his reinforcement, he could at least perceive and react to Excelsior's attacks.
"Arondight!" Excelsior invoked an unknown technique.
Dashing across the shallow water with speed not unlike a bolt of lightning, Excelsior manifested a large, gold-and-platinum greatsword into her hands, nearly catching him off-guard before he manifested a grandiose spell in the form of giant, flaming arms that sprouted from beside him.
Excelsior spun around before slamming the enigmatic sword down after having leapt up, producing a roaring shock wave that was blocked by the armored, flaming arms. It was a clash of power; the strength of Excelsior's claymore versus the durability of his spell.
"Second impact!" Excelsior invoked.