The moment Cassius saw the man that had appeared from the Tower of Heaven turn into a blur, he spun his sword around and created an omnidirectional burst of mana around himself and Evette. He knew he would be unable to keep up with their opponent, so his only option was to anticipate the attacks that would be coming towards him and Evette.
"Unmovable."
With girted teeth he moved his sword in front of the man's incoming attack and used his unique skill to prevent himself from being blown back. His hands ached from the impact of catching the punch with the flat of his blade, but his sword which had been given the name Excalibur was able to absorb most of the power behind the man's attacks.
Once Cassius had locked down their enemy for a single moment, Evette cast the spell she had been holding.