Being able to see for a bit allowed him to see that he was bound in place and the whole team was pouring energy to maintain it. That became possible due Magic Binder that with the agreement of the ability user he can connect their powers to fuel one ability.
As captain navy was striking with reignited green flame on his Zweihänder sword, Seth left hand moved up and blocked it by placing his hand on his head.
The man angrily pulled his sword back and green flame shifted to thin energy along the sharp edge of the Zweihänder before he cut down at the hand.
By just moving his hand, Seth's vision blurred and he was deeply fatigued. The reason was simple, regaining himself meant his ability had returned and using it caused him to exhaust what he had regained.
He felt a sharp pain on his hand, the Zweihänder had cut through his hand without cutting through the armour.