Forged Destiny [Book 3: Ch. 14]

"Oi, I could use some heals over here," said person yelled. He was bloodied once more and leaning on his cane. "Give me a hand, pal."

"So useless," the Paladin sighed, holding out his hand towards the Thief. White light gathered on the end of it. I saw it through a haze of agony, and something stirred inside of me. With all the remaining strength I had, I grasped his wrist and pulled his hand to the side.

The spell missed Torchwick.

[...]

"When I pulled your spell aside… it still went off."

"Hm?"

"It didn't miss," I said. I looked up over his shoulder, to the black shape that fell from the ceiling. "It just hit a different target…"

Blake landed on his back, one arm wrapping about his throat and tilting his head up, even as her hand shot down. In it was clasped the dagger that had pierced her lung, still bloody and went – but also glowing with magical energies. His dagger, enchanted and covered in runes, enough perhaps to pierce even his formidable defences. The hole in her chest was gone, too, only blood and torn clothing as a reminder. She'd been fully healed.

—Forged Destiny [Book 3: Ch. 14]