Gabriel didn't move his arm. But he was rather well protected. His Angel form provided a decent enough armouring to his physical form, but the sword managed to penetrate it. Just enough. There was no blood, instead there was light. Gabriel held his forearm up and looked at it. His eyes began to glow warmer, and suddenly, the wound closed.
Looking to the angry man, he shook his head and dropped his Angelic form. "Fine... but if you do need to find me... please, do" he said. He took a cigarette out and lit it, and with that he walked away.