"Gyo!"
Rukei whirled around at the explosively loud voice coming from the young and seemingly dainty girl. Rukei wasn't sure how to respond to the girl, who held her hands on her hips in a disapproving and irritated manner.
"Use Gyo! Don't take your eyes off it! C'mon, use Gyo! Don't you know how?"
Rukei wasn't sure why, but she turned around awkwardly and quickly, as if she had just been called out by her superior for doing something wrong, and used Gyo as instructed. A foggy outline of aura trailed out from the phantom-like figure clad in the shining armor of a knight.
"See that?" the girl asked, her speech suddenly taking a turn for the rougher, speaking in a sort of way that made Rukei unconsciously believe that the girl was older, "The armor's just a puppet, so no matter how much you pound at it, nothing's gonna happen."
Gon followed the trail before finding a small mouse-like beast creating the projection out of it's tail. Once found, it vanished into a card and the armor fell to the ground with an unceremonious clang.
The blonde girl lept down to be eye level with the other three children, continuing to speak, "So you can use Gyo. Why didn't you use it before?"
They all glanced in between each other awkwardly, giving each other bashful smiles and trying to come up with an excuse.
She gave a huff at the reaction, "So you forgot," She held up her finger and waited for a couple moments with an expectant look in her eyes, though they had no idea what she was expecting.
"What are you standing there for? Gyo!" They followed her directions hastily after she yelled at them, seeing another foggy shape in the air, "What do you see?"
"The number 1," the all chorused as the girl nodded in an approving manner.
"Good. Listen up. If I lift my finger, you use Gyo and then holler out what you see. If you ever sense anything suspicious, use Gyo," she instructed.
Killua suddenly seemed to comprehend the situation, snapping at the girl, "Wait, why are you ordering us around?"
"You're bringing this up now?" Rukei questioned the late reaction but had no time to go on further as the girl raised her finger and Rukei instinctively called out the number she saw, along with Gon.
The girl praised the two of them with a "Correct!" before turning to Killua and instructing him to drop and give her two-hundred push-ups. Killua, of course, wasn't going to put up with that demanding who she thought she was.
The girl's face seemed to brighten at the question, "Oh yes, I haven't introduced myself yet. I'm pro Hunter Biscuit Krueger," Biscuit smiled proudly as she went on, "I learned Nen forty years ago. I'm going to use my wealth and experience to coach you kids! You should be grateful."
"Forty years ago?!"
"You're an old hag!"
A single punch sent him, ex-assassin that could open up three doors of the testing gate and spent the majority of his childhood training in life or death situations, flying up into the air.
Biscuit continued on hardly minding the feat she had accomplished, "I'm not big on formalities, so you can just call me Bisky. In return, you must obey every word of what I teach you."
That didn't seem like the fairest trade, but considering that Bisky had been practicing Nen was forty years, some part in the back of Rukei's mind was bothering her that she should somehow be grateful.
"No way and no thanks," Killua replied immediately after getting back up, "We're not desperate enough to beg a total stranger to train us! Say something, Gon, Rukei."

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Hunters X and X Heroes
FanfictionThey burned "to listen, to execute, and to want nothing" as an emblem across Rukei's heart. Orders sit as a dictator over Rukei's head. The very will and intentions of someone else run through Rukei's veins. Still, cut Rukei, and you will know she b...