"Demons are brutal and not very smart," she sneers. "Or, at least, the ones we summoned were. We only tried summoning higher level ones a couple of times, but- it- it didn't go well."

Her eyes flicker to his face.

"I could take your bruise away. If you want me to. I can heal a little; Tom can't at all. I should have offered before."

If he runs into Tom, then Sherlock's healed wound would be her own snide message to Tom. 'I can do something you can't, and we're in league together whether you like it or not.' Plus, it would make her feel better to erase the proof of what she helped inflict upon him.