A prequel to Sunset Shimmer's Redemption.

After losing his family at the hooves of the changelings, Lockon Astros, a young unicorn colt turned alicorn who only dreamed of one day being a royal guard, is given a chance to continue his life under Princess Celestia's care, as her adopted son.

See how he bounces back from this tragedy as he copes with his new position as a prince-in-training while at the same time uses the memory of his tragic loss, as well as his skills in using long-range attack spells to help him excel and succeed as a Canterlot Royal Guard.

He is able to make friends to help fill the void left behind by his loss, but for him that is not enough.

There is only one goal on his mind: to avenge his family and destroy the changelings who murdered them.

Will he succeed in taking his revenge? Or will his new friends and family be able to stop him before he makes what could turn out to be the biggest mistake of his life?