The mind is a double-edged sword capable of felling dragons and cutting its wielder into ribbons.

[ Sherlock doesn't elaborate, but perhaps he doesn't need to given that he's worried about losing control and hurting others. There's enough hinted in the shadows of his words. ]

Thank you for speaking with me about this. I feel like have a direction now.

[ Miriam's decision to chose an element that goes against her grafted powers will eventually give Sherlock the push he needs. Sherlock thinks himself as someone seeped in darkness, drowning in the Abyss, so he chooses light. ]