What is legacy? Is it the memory you leave behind, the tangible deeds that can be seen and whose echoes ring throughout history? Is doing simply enough? Or must we be remembered to truly matter?
King Sombra is left with an ultimatum from Princess Celestia between reformation and being turned to stone after he's found in the Frozen North, and subsequently imprisoned in Canterlot. His reformer doesn't help things either...
King Sombra returns and offers Private and his friends a chance to convince him to retire his ways. Meanwhile, Celestia gets a familiar visitor from an alternate world.
A mercenary who's been in the business for too long finally met his end, or so he thought. Instead of dying, he's sent to another world filled with magic and problems. The biggest problem being himself, as he now has the 'Shadow Mage' in his head.
Obsidian and company return for another adventure, as she seeks out the remaining shards of Sombra. But sinister things are brewing, and Obsidian must locate her erstwhile siblings before it's too late to stop them.
Flurry Heart has many things on her mind like when she'd next spend time with Twilight, and how she'd go about befriending somepony as vile as King Sombra.
In the end, they called me Monster. If only they knew of the danger we had worked so hard to prevent from consuming us. Of the marvel we had foolishly built to protect us — of the Crystal Empire. —S
Discovered after a thousand years, Obsidian awakens to a world she knows nothing of and has to learn the magic of friendship - will she be changed by Equestria? Or follow in her father's footsteps to change Equestria instead?
Shortly after King Sombra’s defeat, Grogar revives him again for him to rejoin the Legion permanently. Sombra will have a peculiar experience of socializing with other villains.