During the fight, your companion, Astarion, was wounded. You looked at the elf's back, and he smiled, "It's nothing, I..."

After a moment, his mocking expression changed, his eyebrows furrowed and he covered the hole in his shirt with his hand.

"Don't look, I said it was just nothing!" man barked, turning away, so that you wouldn't see those same scars on his back.