(Crossover with Final Fantasy X, with a 'what if' twist to it.)

Summoners challenge the bringer of death, Sin, and die doing so.
Guardians give their lives to protect their summoner.
The fayth are the souls of the dead.
Even the maesters of Yevon are unsent.
Spira is full of death…
Now Equestria faces a new danger.

Collab with Simon_oSullivan. Go check him out.