This was a story suggested to me. the one who sent me the message for it, well she knows who she is.

SonicBoom has left the house everynight since his "Death" Always coming back battered, and tired One night Fluttershy decides to follow. But her mistake lands her in the middle of a cult's war. Will she join in and risk her life? (Crossover of AC Series) Grab a cloak, take a weapon, Pick a side, Fight

To understand most of this story, you must first read "Fragile Hearted Betrayal". Something comes urgent to SonicBoom, And he will have to leave for Whitecap mountain. But when Fluttershy sneaks into his cart, tension stirs.

All was a normal day until it was SonicBoom's turn to wake up Sco, And run errands.
Dreamer made the mistake of breaking a promise to a fragile hearted pony, and might pay a major price for it.
But SonicBoom soon forgets her and gets lost in the eyes of a caring pegasus