Cryptic
Before the lanky man answered them back however, he revealed a tattoo in the palm of his wrists. Both of them. It was a singular 'A' tattoo of the letter itself. "So, let me introduce myself, first things first. Introductions are quite of the importance, is it not? Anyway, I am Ace."
Grim freaked out and slowly backed out from him. "Y-You! You are a member of the House of Cards, aren't you?" he exclaimed as he pointed at him.
K's gaze immediately shifted back towards the direction of Ace. "Ah, my, my, you really are a perceptive bunch. Just kidding, of course. I already know that you are aware of us." He jokingly replied to Grim, who was absolutely fuming with anger.
"Oh, right. Just before you start lashing out all that anger on me, just know that I did not partake in what happened to your parents. In fact, I told them to just leave Stolas and Mira Fenris alive. But I am not the King, as you can see." Ace explained to them.