There were more things on earth than what the 100 originally expected. That is true. But they haven't met the desert wolf yet. The grounders fear her, the mountain men fear her.
She is the one thing they can not tame, She adapted to the bomb a different way.
She got the ability to shapeshift into a coyote, one that could not be killed and is extremely dangerous if angered.
But what if the desert wolf finally found its weakness, a beautiful girl that love to chase butterflies.
Story idea: _voidmia