Orion sucked in a deep breath and ignored the pain, whirling around and taking aim. Henri took off again, this time slamming into Harry from the side. This time he went for broke, sinking his teeth into the juncture of the boy's shoulder and neck. The chase was fun but he needed blood and it couldn't wait any longer.
"HARRY! NO!"
There was a crack of apparation and Sirius appeared, holding a long wooden stake in his hand. He assesses the scene and snarled, his own wand in his other hand. "Shit," he hissed, licking his lips and trying to figure out the best plan of attack. "We have to act fast, he's feeding."