Dawnbeth

Dawnbeth is a mysterious 16 year old teenager who has hailed from the future on a mission from the past. She is a very tall 5.10, very attractive young woman with dark hair, a tattered cloak, she wears a black crop top with a fire emblem, short shorts with long socks, toeless boots with an anklet on her leg.

She is also a metahuman and as it's revealed thanks to her many powers, on top of being physically fit and trim. Her metahuman power is adaptability which gives her powers set to her environment. A Cold environment = Ice Powers and an inability to be cold and it comes from her getting a tattoo on her body which when exposed to the environment

TGTTA 2
Dawnbeth arrives in The Slade Strikes Back timeline and announces it's time to start her mission. This takes her to Equestria and she finds many of the heroes there and joins with him against The Legion. After that's done with she leaves, ready to jump back on the mission when she learns the next move. She sneaks aboard the Legends Ship spying on what's going on