"So... yeah." Sweetie said as she and her sister finished regaling the others with their tale in turn. "We heard about Friendship Force and decided to join. The townspeople were sad to see us leave, but they gave us their full support."
Scootaloo commented, "So you two are samurai superheroes? That's awesome!"
Sweetie grinned and said, "Not as awesome as you having control over about 70% of what's on this planet!" The two shared a fistbump.
"So if I'm to understand," Twilight began, "You two -" then she indicated Rainbow and Scootaloo, "and you two by extension- figured that your abilities were better suited for this kind of work rather than your previous careers."
"That's about right." Rainbow replied tersely.
Applejack grinned. "Well then, welcome aboard, pardner!" She gave Rainbow's hand a firm shake. The motion also flexed her tightly corded muscles.
Apple Bloom noticed this first. "Wow! Y'all are seriously ripped! How'd ya get like that?" she said in her Southern-esque twang.
Applejack held up three fingers. "Hard exercise, top-o'-the-line stations, and a li'l bit o' mage-tech." she said, indicating Twilight with the last bit.
"So... what you're saying is... if i do that i can be that strong too?!"
Applejack chuckled. "Darn tootin'. Ah'll show ya how later. First ya gotta build up some experience. And Ah don' mean the non-tangible like. Ya'll see."
With that, she led them back to the Gym. Twilight noticed that Scootaloo and Rainbow Dash showed a preference for the exercises that rewarded them with the yellow skill orbs(1), while Swetie Belle and Rarity showed a preference for the blue Will exercises(2). Apple Bloom (and Applejack by extension) seemed to like the red Strength exercises(3). They gained a fair amount of all three, the numbers were significantly skewed in the favour of these.
She speculated that this was most likely because of the disparate subspecies that the three were part of. Scootaloo and Rainbow Dash, being Pegasi, would logically gear toward exercises that deal with speed. Meanwhile Sweetie Belle and Rarity, being unicorns, would logically want to train their minds foremost. And thus the Apples, being Earth Ponies, would gear themselves toward physical strength. While not exactly surprising, it was good to note.
At length, the newcomers were led to the Experience Pool, as they had come to call it. Apple Bloom was the first to step up.
Upon the explanation, she had dumped most of her red experience into Health, then Toughness and then Prowess. With the yellow orbs she prioritized Accuracy. She also bought a couple of ranks of Speed, but had only one rank of Stealth by the end. Clearly she had no fondness for secrecy or subterfuge, much like Applejack.
Scootaloo, naturally, prioritized Toughness, Speed and Accuracy, while Rainbow prioritized Speed, Strength, Toughness and then Accuracy, in those orders.
Rarity and Sweetie had more or less identical layouts, with Magical Power as a priority, with Accuracy and Speed as second and third.
Then Scootaloo and Rainbow facepalmed. They'd paid no heed to the Will section and hadn't spent the blue experience they'd gained. Sure enough, Flight Prowess was under that section, so the majority of their blue experience went into that.
By the end, the newcomers were looking fairly Amazonian, like the rest.
Apple Bloom flexed her newly toned biceps, causing the appearance of a lump the size of a baseball to appear. "Amazin'." she commented. "Ah ain't even at half the meter, an' look at this! If 'twas this easy to get results like this, Ah'd've got m'self a gym membership long ago."
Scootaloo flexed her legs, testing out her new strength. "I know, right?!" she exclaimed excitedly, then flared her wings and made a show of whooshing around the upper portion of the room.
Suddenly, Twilight tensed up.
Applejack was the first to see this. "Somethin' wrong, Twi?"
Twilight answered, shakily, "Th-th-the d-d-dim-m-mension-nal b-b-b-barrier..." by that point she was visibly shuddering.
Just outside of the room, a hole was torn in the fabric of space and time, admitting nine new beings, all fully equine. Two white Unicorns, three Pegasi -one orange, one blue, one yellow-, three Earth Ponies -one two-toned pink, one orange and one yellow-.
The assembled heroes gasped at their fully equine look-likes.
But most importantly, the last was a light purple and had both a horn and wings. She was the one who spoke up.
"Ez şermezariya Tîmehê Amûdê-"
At a nudge from Applejack's equine twin, she restarted.
"Ni dan jarida-"
Another nudge, which caused a glare to be returned.
"I am Princess Twilight Sparkle. And we need to have a TALK." she finished, sounding quite annoyed.
"Oooh boy." Applejack and Apple Bloom said in unison.