EVER
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THE WOLF
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FUR 
A coat of short, stiffened bristles, of mostly an aged gray. A long, soft brown mane curls and drapes around its neck, chest, shoulders and back. Its bony, whiplike little tail lacks plumage, and consequently seems more at home on a rat.
SIZE Roughly around four feet at the shoulder and slightly over eight feet tall when standing up straight on its hind legs; the equivalent, if not quite the proportions or bulk, of a slightly above average grizzly. And it's heavy enough to fit into that frame - spindly though the creature may look compared to some of its brethren, it takes a lot to knock it down.
VOICE Low, raspy laughs, hums, coughs, hisses, howls and barks. The creature's roars sound more like hoarse, crocodilian shrieks.
EYES The first idiosyncrasy: Black, utterly devoid of reflection or light. There's no immediately visible distinction between pupil, iris and sclera.
BUILD Like its human counterpart, the creature seems to be built for stealth and speed, rather than brawn. It's lean and wiry, roped with muscle - yet broad-shouldered and deep-chested, and the gangling build belies a surprising strength. The strong, square jaw, sloped head and tiny eyes are reminiscent of a bull terrier, its arms are more primate than canine, the digits are elongated and include an opposable thumb, and the creature often walks on its knuckles.
SCENT A skunky sort of musk, magic, dust, blood; a veritably enticing soup of strange chemicals. It's still present in his human form to a far lesser extent, and Aaron has found that the chain-smoking - in addition to deadening his own heightened senses - masks and distracts from inquisitive noses.
REGENERATION: A talent obviously supernatural. Cut off a limb and it's gone forever. But unless the healing process is impeded by weapons or certain supernatural substances - an infection of silver will afflict him with wounds resembling phosphorous burns and must be purged immediately - recovery time is drastically reduced in either shape.
As transformation rebuilds either form, Aaron often utilizes it to assist in this healing. Such speed often gives way to complications, however, if one is not paying close enough attention - one must remove the offending weapon and quickly set any broken bones straight, or else problems may arise. It's in moments like these that Aaron's usual surgical finesse has often rashly been abandoned in the heat of the moment in favor of re-breaking his own bones to set them again, or clawing fistfuls from himself to crudely dig out bullets or other projectiles.
A silver bullet to the heart could kill him. But, he'd point out, that it's not because it's silver. It's because it's a bullet. Any weapon has the potential to work against his transformed state - provided the killing blow is quick and direct enough to prevent regeneration.
MAGICAL RESISTANCE: Aaron imbibes so much strange and arcane substances on a regular basis - so much so that he's built up a bit of a tolerance to curses and strange poisons alike. And the regeneration helps where this fails. He likes it - to the point that any perceived benefits and potential rush gained would outweigh any negative consequence to himself, no matter how severe.
ODDITIES: He might have begun as a werewolf, once - but that was many years and many adventures ago. Those looking for a pure infection might be disappointed. The transformations seem forced and intentional, tearing his body apart oddly, and not restricted to the phases of the moon - though every full moon still appears to force one seemingly mindless, uncontrolled change from him.
The creature's paws are elongated hands, its tongue is too-long, prehensile and black, and there's something vaguely reptilian about its whole presentation. The only scar that doesn't appear to be affected by the constant changing is the long, tender one that stretches the length of the sternum....But perhaps the strangest observable phenomena about this monster's body is that the thing's blood is commingled with something else, something black - as black as the thing's eyes, lips and tongue - oily, and prone to independently moving from and around the base fluid, if one is stubborn enough to study it. This oil appears to assist in stitching and pulling any open wounds together alongside the beast's own preternatural healing, but no other anomalies have been observed - as of yet. This fluid's occupation - one might suggest passive possession - of his body may or may not be connected to the sternum scar.
Diluting the thing's blood or separating it entirely from this oil makes a richly satisfying, addictive treat to blood-drinkers. -
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