The challenger was now slowed by the icey cold, defense or otherwise, long enough for our gentlemen conjurer to find the cursed empty tome in his bag.

"Okay let's end this."

Walden

Attack: Sealing Book

Effect: the book sucks in the target it is thrown at.  A strong vortex tries to capture them until something is caught.

Shatterskull now did his part as well.

Shatterskull

Defense: Crystal claws

Effect: using his sharp crystallized claws, he digs his hand into the arena floor while holding walden in his other arm.