By the Time of Sun Rise

"I do not make fools of family, Brother, so threats will only be a waste of your breath. Breath that is limited within a lifetime. There would also b no gain I could achieve in making you look like an idiot. The only gain out there, is of the enemy who dares attempt to take down my student, and my Brother, the enemy who must pay for even having a glimmer of hope in taking that chance."

Slade had no issue with proving himself, but To be doubted by the student you actually come to care for, baffled the Nightmare.
Why the hell would he try to pull a prank on him,telling him to perform an exercise, and one that he too, had just performed?
Wouldn't that call to make him the original fool?

It burned to be threatened by the Artic, and that didn't slim well upon his dark soul, however again, patience was what the murderer excelled in.