He steps back, quickly swinging his sword down to parry, placing his other hand on the hilt to block. His opponent was much faster then that armor would had lead him to believe. But - the force against the Fuuraiken confirmed that Wart indeed was wielding some kind of invisible sword.

"Ngh-!" The knight grunted as he slides back, reassessing the situation. A blade he cannot see could be of almost any length or style - he'll have to move cautiously, gauge the silent opponent's reach. He gives a testing stab putting a good amount of his weight behind it.