"This one is different-"
"It resists our injections, but-"
"-signs of increasing power-"
"We can't contain him much longer."
Fire coursed through his body. The inferno wracked his entire being, white-hot and searing. He tried to scream, but he couldn't wrench his jaws apart, so all he heard was a breathless howl. No part of his body was safe – the fire burned through every inch of his body, tearing, ripping and incinerating him from the inside out.
He writhed around on the floor in an effort to dispel the pain, but the friction only intensified the agony, forcing him to stop. Lying still didn't hurt much less, but it gave him an opportunity to catch his breath. His muzzle was tightly bound, so he was forced to snatch sharp, huffing breaths through his nose. Every time he took a breath, a fresh wave of pain went rolling through his body.
He couldn't see. Everything was dark. There was nothing to hear save his own desperate breathing. Worst of all, though, his sense of smell was blocked. Nothing made any sense, nothing could be sensed. Fear filled his mind, battling with the pain for dominance over his body. He wanted to run, to get up and run away, but every time he tried to move his legs, another spasm of pain shot through them, almost causing him to black out.
He didn't know how long he existed in this dreadful state, or what was happening to him. It could have been eternities, or it could have been mere hours, but whatever the case, every second was worse than the last. No matter how much he wanted to, he could never find the sweet release of unconsciousness.
The aliens had done something to him, but he didn't know what. Their foreign, hideous instruments of death had wreaked some havoc on his body, that was sure enough.
After what seemed like many, many moons, he finally began to feel a creeping blackness encroaching on the edges of his already black field of vision. It was a darker blackness than the one he was imprisoned in, and he welcomed it once more as he was released from his agony for what, surely, was the last time...