Kenneth
He seemed to smile as Dingo was trying to resolve themselves as he kept creeping towards the exit of the library. His tail seemed to drag on the ground, slightly crooked out of shape. He puffed up his chest, his wings lifted as he chuckled. 
"Quite so, actually. If you're willing to show *Actual* Combat skills, and not attack by vengeance or trying to get under *My* Scales, perhaps I'll give you a little bit of respect." He rolled his eyes, before making a mad dash for the door. He wasn't that far away either.
Willie
He made a noise in surprise, eyes darting to the exit.
"'Least I'm not a coward." He smirked, brushing past a few disregarded scrolls with heavy feet. He noticed Walker's tail lame on the ground. He knew he couldn't stop the prince's escape, only postpone it, so he might as well do something while he still can, even if it could be used as edvidence.
He threw his spear harshly at his tail, wincing as his joints ached. The throw wasn't the best as it could've been and he snarled, lashing his tail irritably. What was wrong with him today?
Kenneth
As his talons curled at the doorway of the exit, searing pain exploded from his tail and up his spine. He let a horrible screech of agony, recoiling towards the spear in his tail so he'd not lose his tail. A small spurt of flames escaped his nostrils as he ripped the spear out of his tail. He heaved in rage and agony, before narrowing his eyes towards Dingo. He then threw the spear right back at Dingo, stumbling from how strong he threw it. He then scowled, his tail bleeding and leaving a trail on the ground as it was too painful to even move it anymore. He didn't care what the spear did to Dingo, he was going to ensure a punishment of some kind.
Willie
The screech was music to his ears, a sadistic grin lining his maw. What wasn't, though was the wind swivelling toward him. He flinched his head, putting his prothsetic as protection, but it neither hit his skull or his prothestic, rather the bend of his wing.
He swore loudly, hanging his head down and shaking it as if it would leaviate the pain. His talons curled in, blood trickling down his wing and to his shoulder, some drippinig onto the floor. He breathed a few moments, slowly adjusting-if you could call it that- to the pain. 
"Well look at that," He mused, starting to get up from his hunched position, "Princey can throw a spear. Method's a bit wrong, but you'll get there." He encouraged wryly, wincing as he tried to move. 
The distant thought of infection scared him more than the pain removing a spear could induce, especially with anothers blood on it. He pulled out the spear with his teeth, pain soaring through his wing. He blew a small flame to show he wasn't scared of any further attack, tounge flicking.