Celestia has never used her full power.

Ever.

But that might be about to change. Chrysalis has contacted her and requested a meeting out in the middle of nowhere. Celestia expects a trap. In fact, she's hoping for it.

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Now with a Spanish translation: https://www.deviantart.com/spaniard-kiwi/art/Un-mundo-de-fosforos-923171362

Garble has won the Gauntlet of Fire and taken the Bloodstone Scepter. Upon hearing of this, Celestia, determined to stop the bloodthirsty Dragon Lord in his tracks, challenges him to a one-on-one duel for the fate of Equestria and the Dragonlands. An immortal alicorn capable of moving the sun with millennia of experience under her belt versus a teenaged dragon with no experience at all.

Garble accepts.

Stupider things have probably happened, but it's hard to say how.

Cover art is taken from this comic by Niban-Destikim.

This story is a sequel to Why No One Messes With Celestia

In the wake of Celestia's return to Equus, the ponies have worked tirelessly to prepare for the arrival of the Ascended. Defenses have been set up, weapons prepared, allies warned, but most important of all in the minds of both Diarchs, a cure for the Indoctrination has been pursued.

The Ascended, or the Reapers as they are known to the rest of the galaxy, are not amused. They attack in force, unwilling to stand by and let this small, barely space-worthy race of unascended quadrupeds neutralize their most effective weapon in their march towards galactic cleansing.

Now they too shall learn to fear the dark, and the Princess who controls it.

Just because the two sisters have led Equestria through thousands of years of peace doesn't mean there aren't those who think they can do better.

With a powerful artifact on their side, a group of rebels has sealed Celestia in her palace and stripped her of the majority of her powers. As the last of her guards fall, she hears the pounding on the throne room doors and knows the end is coming soon...

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**Now with a dramatic reading!

Twilight isn't having a very good day. An experimental spell blew up in her face, an army of changelings is attacking Canterlot, and she just died. Yet somehow, it looks like it's going to keep going downhill from here.

Given the chance to correct what's gone wrong, Twilight swears she's going to fix all this even if it kills her. Which it will. Frequently.

Cover art by Pixel Prism
Spanish Translation
Series TV Tropes page

This story is a sequel to Hard Reset

After the events of Hard Reset Twilight's life and mental well being are slowly returning to normal. Her recovery is cut short, though, when a letter arrives informing her that the time loop spell she cast is causing severe damage to space and time itself. In over her head, Twilight tries to summon anypony who will know how to fix it. The pony she gets is the last one she ever thought she would meet... and nothing like she expected him to be.

Available in Spanish thanks to dgs1993
Series TV Tropes page

This story is a sequel to A Stitch in Time

Having discovered the message left for her by Star Swirl the Bearded in the distant past, Twilight once again finds herself caught up in the middle of a struggle against forces far greater than herself. In order to even stand a chance she'll need to travel further and wider than she ever has, and forge some unlikely alliances with old enemies. All to bring down the powers that have manipulated and shaped her entire life, and retake control of her own future.

The conclusion of the Time Loop Trilogy, which began with Hard Reset
Available in Spanish thanks to dgs1993
Series TV Tropes page

Only a few hours after she learned of the Griffon Empire's invasion, Princess Celestia surrendered herself to the griffon army and asked for an audience with the Griffon Emperor.

The Emperor thinks she's here to negotiate Equestria's surrender.

He's wrong.

Spanish Translation
Polish Translation

This story is a sequel to The Moon Glows Gently

When you're the immortal ruler of an entire kingdom, the most important quality to possess is self-control. No princess can rule her nation if her emotions rule her. Celestia knows this better than anypony, and mastered them long ago.

So long ago, she may have forgotten that a little bit of passion can come in handy now and again.

Ponies have spread to the stars thanks to advances in technology. In the advanced and luxurious Solar Explorer, Celestia travels to the first extra-solar colony world set up by her little ponies. Unfortunately, events elsewhere in the galaxy, unknown to them, have set in motion a cycle that has been repeated for countless eons… the reaping of sentient races. A Reaper dreadnought confronts the Solar Explorer, intent upon indoctrinating the leadership of the ponies and bringing them to heel.

Said Reaper quickly learns exactly why Celestia has earned the title Unconquered.

A Mass Effect crossover oneshot.

Now with a reading done by Scarlett Blade! Check it out!