It is... a natural talent I and others from my world hold, and I was trained in my childhood.

[a soft voice, after he had to be silent for a little bit, and think about how he can respond to this new line of questioning without revealing too much.]

But, before you ask, I do not think I can train you in it. [shalem gives him a soft, apologetic smile.] The way I was taught, the way Arts operates in my world?

Passing on my knowledge and experience in that may be exclusive to those from my world. You will have to settle with my shield skills.