[He ties off the braid he'd been working on before answering.]

Many things. How to defend oneself both armed and unarmed, how to survive away from the typical comforts of home, the history of the Strahtan military and the history of Strahta in general, and more. It was an extremely rigorous program.

[Hubert's not going to address the issue of how much he did or didn't miss his biological family during those seven years in Strahta. He's come to terms with it a little more by this point, but it still tends to leave something of a bad taste in his mouth.]