[The platforms were landing at their destination now, perching right at the edge of one of the floating islands. This one featured a terraced garden where every mural had a story of the past. The plants growing there were all from the Fourth World, tended carefully by gardeners that Orin had trained personally. One of them happened to be Kaizen Tempesta.

Aidan waited for his companion to step off before continuing his walk.]

I think it is less about training children how to kill, but preparing for the inevitability that they may have to take a life in pursuit of defending their loved ones, or pursuing their cause. Furthermore, to be honest, the definition of 'child' has always been contingent on its historical context and the needs of society.