"Bent only to believing that the strong survive, and the weak die. That those who win are always right," Devin clarifies. "If he's as powerful as you say he is, then his strength will only lead to his own suffering, and that of others, unless he learns to see beyond that."

Surely Heather must know this. What she does with her own time is up to her, but if she's taken it upon herself to not only teach Kylo swordsmanship but mold him then she ought to make like Rafiki and knock some sense into the young man. Not that Devin cares, of course.