"Ha ha ha, I forgot how much fun it is to just toy around with your pathetic attempts to resist me!" the draconequus Discord was mocking as he contorted and teleported away from repeated attempts to ram him by the luckless pegasi Royal Guards. The two that had initially confronted him had been reinforced by two additional guards, but the increase in pony numbers did nothing in terms of deterrence - only the arrival of the alicorns themselves would've done that, and the fact they had not already shown up added to the pleasure he was enjoying at the moment.
As one guard whizzes by, Discord reaches out and grabs him by a wing, painfully heaving him into an oncoming comrade and letting out a sinister chuckle as both pegasi tumble to the ground near a damaged statue. Quickly, he kicks away a third trying to sneak up from underneath Discord's floating position, and then the fourth he knocks away with an oversized baseball bat he had materialized out what seemed to be thin air. That fourth pegasi went whizzing past Lieutenant Captain Fidelitas, who was entering the scene on full gallop.
Fidelitas stops just long enough to see the subordinate guard slam into a hedge, then he turns and faces the hovering draconequus, who is still holding the bat as if ready to take another swing at an attacker. The forest green unicorn stallion lets out a low growl, then grey-colored unicorn magic begins forming around his horn, coalescing into a solid grey column of energy that extends up and out at the same angle as the horn itself.
"Oooh, I've always wanted to do one of these!" Discord exclaims as he sees the energy beam form around the horn of Fidelitas. The baseball bat disappears in a poof, replaced by a device that a human would recognize as a Star Wars lightsaber. The draconequus activates the device, producing a column of bright red energy, and charges in the direction of Fidelitas. The unicorn Lieutenant Captain starts a counter-charge, and the two beams of energy crash together in a loud flash and buzzing sound.
Discord pulls back from the lock, the lightsaber he was wielding making a characteristic "whoom" sound as it moved, and the pegasi Guards previously attacking him take advantage of the distraction to evacuate their wounded - the pegasus grabbed by the wing and the one sent into the hedge at full speed. As they retreated, they saw the draconequus attack again, forcing Fidelitas into a defensive "lightsaber duel", hoping he could at least buy time for reinforcements...
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MEANWHILE, NEAR THE CANTERLOT CASTLE GATES...
"Could you at least explain what's going on, sir?!" the teacher Cheerilee shouted to the escort Lower Class Guard as her Ponyville class hustles behind her in the mandatory evacuation that cut the rest of the class trip short.
"Sorry, ma'am, but we don't really know ourselves. All we know is that something happened in the statue garden and that my superiors are trying to get the situation under control." the guard answers back with a shake of his head.
"The statue garden?!" Cheerilee exclaims back, which prompts the three Cutie Mark Crusaders trailing behind the rest of the class to exchange worried looks.
"Why do I get the feeling our essays just got longer?!" Scootaloo shouts to Sweetie Belle and Apple Bloom.
"Your essays are definitely going to get longer if you fillies don't hustle your flanks up!" Cheerilee shouts back in irritation, which prompts the mortified trio to hustle even faster to catch up to the rest of the class.
About 10 seconds later, the Ponyville class group hurries its way through the castle main gates, and the Lower Class escort falls back as the gates are pushed shut and locked by two comrades. The Lower Class stops and salutes his commanding Lieutenant monitoring the evacuation operation.
"Was that the last group?" the Lieutenant asks his saluting squad member.
"Yes sir, all visitors accounted for and evacuated from the castle grounds!" the Lower Class barks back as an answer.
"Good! The gates are to remain on lockdown until further notice - nothing goes in or out except by direct order of Princess Celestia herself!"
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As the four pegasi guards retreat from their battle with Discord, they pass Lieutenant Captain Stratocumulus, who was running a check that all visiting groups had indeed been evacuated from the castle grounds. The superior officer stops them and asks for a report.
"Two seriously injured, we're trying to get them to the medical center now!" one of the uninjured pegasi shouts, and Stratocumulus can quickly see which two are injured - one pegasus with an inflamed and temporarily disabled wing, and another that winced in pain every time he took a breath, marking him with broken ribs.
"Understood, the Captain is trying to get Shining Armor as well as the alicorns onto the scene." Stratocumulus explains. "The entire castle is to be on lockdown, and Fidelitas is engaging the living statue now. Hopefully once the alicorns can engage him we'll be able to get this under control."
It was unfortunate that at the time Stratocumulus did not know how badly mistaken his opinion was. If he had known better, he would've been on the verge of panic, and he would've understood what motivated generations of ponies to live and die in trying to revive him. Chaos incarnate was attacking in the statue garden, and the fact that this was not well understood would only lead to more pain and suffering...