MistEye

&nbsp MistEye is an Agent that's black with blue eyes and a brown muzzle, chest, underbelly, and paws, sister of SwiftWind.

SPOILERS BELOW

In the third story, the audience learns that MistEye was an Agent and sister of SwiftWind, killed by what the audience knows later as Stone.

In the fifth story, Frost convinces SwiftWind to fight for MistEye's sake.

SPOILERS ENDED