"Parkour!"

That was the only warning Captain Levi Ackerman, Captain of the Scout Regiment, aka, the Wing of Freedom, got before he faceplate due to a small child slamming into his back with both feet before backflipping off and landing on the tree next to him.

The tiny gremlin was soon followed by a group of five in the same sea-green cloaks, each just at home in the trees as the first. "Na epivradýnei as tachýtita daímonas!" One yelled.

Levi, who had been practicing in the training forest when he had been assaulted, did as any soldier would when they had been face slammed into a tree.

He chased down the culprit.

It was only after he fired up his 3DM gear did he realize his targets didn't have any.

They effortlessly leaped distances that a normal human would have missed by a long shot, running straight up trees without the use of their hands and changing direction by backflipping off tree trunks. One had even tapped Levi on the head as both were in midflight before ricocheting off a tree, all seven laughing like they were playing on a jungle gym, not performing impossible acrobatics.

Levi fired another cable, almost hitting one of the targets, the boy, for that's what his voice declared him to be, almost impossibly changing direction in midair by kicking off the cable itself.

Levi felt himself jerk and quickly righted himself by recalling the cables and landing in a tree.

He was breathing heavily, the intruders far more troublesome than even titans.

They landed crouched around him, bronze masks glinting in the light. They all wore green cloaks like Levi did only longer, with bronze armor underneath and no identifying symbols. He wondered if the color was enough wherever they were from.

There were seven of them that he could see, one of which was smaller than the rest, a child compared to near adults.

The watched him silently, taking in his measure. Levi glared back, one hand ready to draw his blade, the other resting on the grip of a flare gun.

"Travis! Can I keep him?!" The little one yelled. "He's shorter than me!"

Levi twitched.

"We don't keep mortals as pets, Jazz." Another spoke. Travis, Levi presumed.

"Aww. Can I give him a present then?"

"Go ahead." Said another, crouching down in the branches above Levi's head.

Jazz was suddenly in front of the captain, her mask off, revealing startling purple eyes.

Whatever they are, Levi thought, it isn't human.

"I'm Jazz. What's your name?"

"Captain Levi Ackerman of the Scout Regiment." Levi found himself saying, seemingly against his will, unable to look away from the gemstone eyes.

"Nice to meet you. You're older than you look. Are you like me?" The child asked.

"He's mortal, Jazz. Give him his favor and let's go. Percy's waiting." Ann older girl yelled.

"I'm hurrying." Jazz protested. She sighed and turned back to Levi, who had taken the moment he wasn't frozen by her eyes, to check his gas, which he was almost out of.

"Here." Jazz said, holding out her hand.

Levi numbly held out his hand and felt something small drop into it.

"If all seems lost, just sound the horn. We'll come and help." Jazz said, backing up.

She grabbed the hem of her cloak and swirled it around herself, transforming into a barn owl that took off into the forest, soon followed by the others, who each gave him a look before following their youngest into the dying light.

Levi sat against the tree trunk. He had heard stories and rumors of magic for a long time but he never encountered it before.

He opened his palm to see a small sounding horn, a miniature bull's horn, a sword, and trident crossed over a shield branded into the side, with a leather strap around the bell.

Pulling a strip of rope from his pocket his threaded the horn and tied it around his neck.

He set himself to climbing down, vowing to never let anyone know of the strange people he had encountered in the forest that day. Joining the scouts was already considered madness. No need to affect recruitment numbers by having a commanding officer talking about magic.

Maybe Erwin. He would know that Levi wouldn't make stuff like this up. Maybe he had an explanation for all of this.

His boots hit the ground and he started hiking back towards the base. Hopefully he could get a shower and clean his gear before trying to convince the commander he hadn't taken leave of his senses.

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"'Can I keep him?'" Sora mocked as the Guardian Party made their way to camp. "'Oh please, Travis. Pretty please."

Sora yelped as his pants spontaneously caught fire, much to the rest of the party's amusement.

"No one ever suspects the kid," Travis said sagely. "Some of Conner and my best getaways involved crocodile tears."

"Pissed mom off to no end when it didn't work," Conner added.

"I thought your guy's mom was a thief herself." Jazz said.

"No! Gods! No! She hated that stuff!" The Stolls protested.

"Wait then how did she catch your dad's eye?" Skye asked.

"She was a really-"

"Really-"

"Really-"

"Good mail woman."  They said together.

The party stopped walking for a minute before bursting out laughing.

"Looks like Will wins yet another bet."  Jazz said. "Shame. I was hoping to win for once."

"You're seriously betting against a guy who can see glimpses of the future?" Alexis asked. "How stupid are you?"

"Wait, what!?"

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Mcgonagall was a Gryffindor through and through, but even she felt unnerved by the featureless bronze masks that laid before her.

She had been run out of bed late that evening, the full moon illuminating the black lake so that it shimmered in way magic could simply not reproduce.

The low keening sound, so similar to the air raid sirens of her youth, signaled that the wards had been breached, but by what was unknown.

Gripping her wand and dressing quickly, she met with Fillius in the north corridor.

The dueling champion, who had teaching robes styled after the dueling robes he had worked so hard to earn, looked like he had been awake when the sirens sounded, most likely still preparing his advanced students' lessons.

"Any word on what has breeched the wards?" He asked, running to keep up with her quick pace.

"None. I'm just thankful that term has not yet begun."

They met with the others on the front steps, making their way to the lawn, a small army of statues following behind them, stopping just out of view in the darkened entrance hall.

On the lawn between the whomping willow and the lake stood a host of almost identical masked people, each almost unnaturally still.

They wore green cloaks over Grecian armor, the tips of swords peeping out from the bottom of the half cloak.

The masks were bronze, almost glowing in the moonlight. Minerva couldn't see their eyes but she could feel them on her.

There were five in the front, each with a unique cloak.

One was a girl judging by her build, in a silver cloak and mask. She stood on the far left of the leading party.

Another was in pitch black, everything, from his cloak to his jeans to his mask was dark as the night. It had taken a second for Minerva to even realize he was there.

He stood on the far right, watching Albus intently.

In the middle left stood a taller girl, more heavily built than the others, her green cloak trimmed in red, a spear slung across her shoulders.

On the middle right was a slightly smaller girl with a grey trimmed cloak, a knife strapped to her thigh, hand resting near it. She looked ready to either go to sleep, rip someone to shreds or go for a nice stroll.

The one in the middle was male, about the age of a seventh year or so. His eyes, the same color as his cloak, glowed through the mask.

He looked unarmed but he gave off an aura of power that not even Albus could match.

Albus stepped forward, wand in hand, but lowered so the intruders did not attack.

"My name is Albus Percival Wulfric Brian Dumbledore. (I had to go back and erase the commas because my sleep-deprived brain was quite insistent I was making a list of names, not a single name.) "I am the Headmaster of Hogwarts School of Witchcraft and Wizardry. May I ask your name and what business you have here?"

The boy in the middle raised a hand, slowly removing his mask and pulling down his hood, shaking his shaggy hair loose.

He was younger than Minerva that thought, maybe a fifth year. He had long dark hair grown past his ears with a single strip of grey. His eyes glowed like a wolf's did, only instead of amber and gold, his eyes glowed sea green. 

He was tan, obviously from being in the sun for most of his life, and had an easy smile.

"My name is Perseus. You may call me Percy. These are the Kidemonas." He gestured to the others behind him. "This is Annabeth, my lieutenant."

The girl to his right removed her mask and nodded, startling grey eyes watching the teachers closely.

"My third in command and Weapons master, Clarrisse."

The girl to his left removed her mask, her eyes terrifyingly red.

"We sensed a ritual performed on our sacred lands and came to investigate. We found two magical signiutres and Thalia, "

The girl in silver nodded, but didn't remove her mask.

"Tracked them to their sources. She  found one signature at a place in London. But he was inconsequential. We are after the caster, who, according to our mage, is you." His eyes narrowed and the moonlight vanished as clouds formed in the site. "Tell me, mortal, " He said slowly, in a way that said he would accept neither excuses not lies. "Why are you trying to summon heroes, " he tilted his head, hair falling to the side, "on fae blessed land?"

It was all Mcgonagal could do not to stare at the pointed ears that peeped out from his shaggy locks.

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So, what do you all think happened to make the Guardians sound the alarm in the last chapter? I'd love to hear your theories.
I'm thinking of introducing a Boon/Favor system between students and guardians. The students would get them from guardians who took a liking to, received information or had a service performed. In exchange, the boon can be used to get a favor, which, depending on if it's a bronze, silver or the coveted gold boon, can range anywhere from help with a prank to political help.
May your sword stay sharp, the gods pleased, and the monsters with runny noses.