Nightmare moon, Sombra, Tirek, all names created and born from darkness. Chrysalys, Discord, and many others evil by breed or by ignorance. The ponies where growing yes, understanding and learning. But did they truely understand what Darkness was? More importantly.. how darkness changes a person? It is widely belived in the hearts of ponies that Darkness is a force of negativity and thus must be destroyed, but is that really the case? Mathias Cronqvist himself pondered the question often, and as his castle rose in this new land, he could not help but hear the question again in his mind. Perhaps this new world would hold the answers his soul and mind sought.
One of two castlevania stories to come to mind that crosses over with My little pony. As for the tags ill fix those later im sure if they dont fit after all.

This story is a sequel to The Prince

Returning to the land of his birth as the human TD Powell, Antares must try to find a way home. But if he returns to Equestria, will it be the same one he knows? Will he be able to cope with the ever-changing world around him?

Edited wonderfully by Strike89 and roker12

Buy a print copy of the original story here!

Given a unique perspective on negative emotion, less than a foal's knowledge of ordinary magic, a healthy schadenfreude, and danger bearing down on all sides, the self-proclaimed "Weiss Noir" makes no plans accounting for his death, and plans to keep it that way, even after being torn away from earth, turned into a unicorn, and dumped into one of the most inhospitable locations and times in all of Equestria.

Stranded in the Frozen North, a place where biting cold ends lives, and one thousand years in the past, in a time when peril is the norm, rather than the exception, Weiss decides to indulge in sorcery most foul, stolen ideas, and human ingenuity to survive.

Given the choice between a mad slaver and a mad sage, however, there is no avoiding an inevitable tide of ponies escaping the conquered Crystal Empire to bask in the warmth of his well-stoked hate. Something which draws attention, enemies, and most worryingly, the rivalry of his "peers".

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A son saves his father, and both are whisked away. In their journey, a new world is found. New friends are made. A new threat rises. A new power is uncovered. And the first chapter to a new legend is written. Part one of the "To Walk the Sky" series.

Co-written by Nasubrony and proofread by the Psychopath.

Spike is one day accused of a crime he didn't commit, as usual, nopony believed him except Fancy Pants because he and Spike had been hanging with each other. Spike still gets banished, but princess Luna believes Spike is innocent but they didn't have much evidence. Spike is transported to the badlands where he learns to fend for himself. He then slowly, builds up his own nation. The Crystal ponies starts hating their rulers and start violent protest around the empire. When they find the murderer of Fleur De Lis, everypony realises their mistake, but can they fix it?

A/N This idea just wouldn't leave my head. I hope you enjoy the story.

This story is a sequel to I Am Not Sombra

My mind is just so infested, to the point where I don't know who I am. The anger I have over the ponies who harmed me and took me away from what I lost still holds in my heart, and it drives me to agony. At least I can claim to be the ruler of a nation...

Cover art by Mayhem Moth. You can find her work here.

I have no idea what happened. One second, I'm sitting at my desk, working. The next second, I'm Sombra. Or rather, I'm in his body. And nobody seems to believe me about it...

Now with (amazing!) cover art by Mix Up. You can find their work here.