became a different species of Werewolf, a Hidden Wolf. He only acquired
'the gift' of the wolf spirit; he only changed inside his body, and never
physically transformed; no hair, large canines, or a snout. He also acquired
the wolf's senses and the vicious desire to kill and feast. The only slight
physical change was his eye color to yellow when he became aggressive.
At first, Christopher denied 'the gift' and tried to fight it on his own.
He tried to starve the wolf spirit by not killing and feasting. Christopher
was prepared to let himself weaken and die as the wolf spirit dies so he
could keep his humanity. Because of his denial, he did kill again, the
vicious urge to kill and feast overcame him when he was in his weakened
state. Then he accidentally met Tasha, who was also a Hidden Wolf and she
became his lover/mentor. With Tasha's help, he learned to accept the vicious
urge to kill and feast. Together they targeted the criminal elements to
satisfy their wolf within.
Click here for more details on this