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Xeion watched as Rakey-chan cried profusely to the point of his jacket's sleeve getting wet with her tears. Seeing this, he couldn't help but feel happy of seeing Rakey-chan, now his imouto, happy for her being accepted as part of his family, along with Yuu-chan and Rin-chan. Of course, he himself was happy of this fact and smiled as he walked over to his crying Arrancar imouto and wrapped his arms around her to try and calm her down.

"It's okay, you can cry for as long as you want, Rakey-chan. As your big brother, it's one of my roles to be one of the shoulders that you can cry on, so please, cry all you want," Xeion whispered into her ear and simply stood there while she cried some more. He knew that every tear drop she made represented a smile in her heart. As such, Xeion simply stood there silently and held on to Rakey-chan's body for as long as she cried, smiling sweetly as he did. This was one of the days he was thankful of being alive.

When Rakey-chan let go, Xeion sensed that she was feeling uncertain of herself. Her tone of voice, too, proved that fact. Her whispered thank you held with it bits of sadness during the last syllables. Of course, for a normal person, this would sound like nothing -- romantic even. However, Xeion was Rakey-chan's onii-chan. As every great onii-chan should, they could sense even the subtlest changes in their sister's feelings through something as simple as speaking. From his memories before, Rakey-chan's voice held an air of cheeriness. Now, it held something more of doubt.

Placing his hand onto Rakey-chan's shoulder, he smiled at her in return for her sweet smile directed towards him. Her desire to grow strong burned deep into her eyes when she looked at him. From that point on, he knew what she wanted.

"So, do you want to test out your new power, my dear sister?" Xeion asked, hinting that he already knew what she wanted even before she said it. An onii-chan's role, somewhat like a butler, is to serve. If he, as Rakey-chan's onii-chan, can't even notice her subtle changes, how can he consider himself as someone who could truly protect her and be there whenever she needed him?

Xeion saw Rakey-chan step away from him and stopped a few meters away to give him space. By the way she looked in her eyes, it was obvious. The thing she wanted most was power. Power to protect herself and those she loves. Power to overcome any obstacle so she won't have to rely on him or anyone else when she was in trouble. Xeion smiled at thise -- he knew that his sister was a strong young lady. She was independent and she didn't want to worry other people, much like himself. As such, it was normal that he knew what she wanted; and wanted it fast.

Raising his hand towards her, Xeion brought out a small amount of cosmic energy and compressed into a black sphere, radiating with power. "Rakey-chan, try and negate this. If you really desire to grow stronger, you need to face fear head on. Cosmic energy, in a way, is the embodiment of fear, you see. The manifestation and representation of both order and chaos. You need to control your fear and turn that into courage to make use of your cosmic energy. If you're brave enough, the cosmic energy in your crystal-clover-star will do the rest."

As soon as Xeion said those words, he let loose a jet-black ray of cosmic energy, headed towards Rakey-chan. Even with just a small blast, it ripped thorough the air like a cannon, blowing up dust with the sheer force of its kinetic energy, being released when it was shot out. Of course, this was more of an intimidation shot, rather than a real once. Cosmic energy projectiles are different than normal one-dimensional energy projectiles. The more powerful it looks, the lesser the impact force it has. The less power it looks, the more power it has. It was a complete reversal of the natural law of physics, but then again, physics didn't really apply all that much to cosmic energy.

With the power being displayed by the cosmic energy shot, it's impact force would only be compared to that of a small nudge. Rakey-chan didn't know of this fact, however, and this served as her first, real test to she if she had what it takes to brandish such a highly-destructive, complex, and powerful energy like that of cosmic energy. Xeion had faith in her, however. She had gone through much more difficult situations than this one. "Come on, Rakey-chan. I believe in you! Being scared is all part of it. Just believe. Believe in yourself. Believe in the power you possess. It's all you have to do -- just believe and everything will be just fine!"

((Edited))

Xeion sighed; it was all he could do at that point. The speed that Rakey-chan's reishi blast traveled was too fast to avoid; and if Xeion were to try and dodge it, the blast would, no doubt, destroy the scenery behind him. The poor birds, the poor flowers, and even the worms under the ground -- Xeion didn't want them to get hurt out of something as trivial as this, but at the same time, he didn't blame Rakey-chan. It was natural. She was scared of the incoming cosmic energy beam, intimidated, so things like this were bound to happen. It was his fault for not explaining it to her. He only wanted to scare her to bring out the courage he knew Rakey-chan had deep in her soul. However, it backfired on him so he needed to bear the responsibility for it.

"I'm sorry, Rakey-chan, for scaring you like that. Please forgive your foolish brother."

With a gigantic boom, the compacted reishi particles exploded into smaller particles of lavender-colored light as soon as it hit its target. When the smoke cleared, there was Xeion -- right hand extended and balled to a fist with blood rushing down his clenched fingers. His right hand, too, was glowing with his own, azure reiatsu energy. He had just used his unarmed signature move, the Forged Iron Needle, to negate and neutralize Rakey-chan's incredible reishi blast. However, Xeion made sure that he didn't use too reiatsu in his Forged Iron Needle much like he would normally so that the excess impact force wouldn't rebound on Rakey-chan and consequently hurt her even from a fair distance away from him. This explained why he had an injury -- he used less reiatsu and more physical energy to stop Rakey-chan's tremendous attack, hence, less padding and protection. Although, Xeion himself thought that it was better that way. As Rakey-chan's adopted brother, it was better for him to get hurt than allow his sister to be hurt instead of him. Like he said before, he loved Rakey-chan too much as well as Rakey-chan trusted in him -- believed in him -- to protect her. He promised to; and Xeion wasn't someone who would break promises.

Standing up just after the aftermath of the attack, Xeion smiled back at Rakey-chan and once again held his hand towards her. Of course, he was in great pain, but if he was to let Rakey-chan worry about him, then everything would be for naught. Rakey-chan needed all the concentration she had in her for this was the crucial moment. Right now, at that exact same moment, he wasn't only her adopted brother anymore, he was also her teacher. As such, a strong persona was needed. He didn't have time to wince at the pain. For Rakey-chan's sake, he needed to be strong.

"Okay Rakey-chan, one more time, okay?" he said politely, charging up another shot once again. "This time though, I'd like you to use that 'Lucky Star' I gave to you to try and negate my blast. Don't worry -- it won't break. As I said before, you just need to believe and everything will be fine. You trust me, right? I hope you do, because I trust in you too."

With a smile, Xeion once again let go of another blast as it headed straight towards Rakey-chan with the same intimidating power it had a second before. Hopefully she would believe him and his words. This time, Xeion knew that Rakey-chan was going to get it right. Rather, instead of knowing, he simply believed in her. She was strong. She won't let something as insignificant as that get the best of her.

((Edited.))

Xeion nodded. “Yup, that was the stuff I was looking for. Good job, Rakey-chan,” praised Xeion for his sister’s job well done. He believed in her abilities, and he was right. He was absolutely right. Then again, he didn’t doubt her for a second -- not even once. In the span of time he knew Rakey-chan, she wasn’t the type who just gives up. No, she is someone who rises above her own failures and turns those past regrets into her motivation to drive herself forward. She may fall down sometimes, but in the end, she’s always ready to get back up and keep on running towards the future. Xeion, as a brother, was only thankful he can lend a hand in her development. He only wanted to see people achieve their dreams, especially those he cares about. “Okay, one more time, Rakey-chan. This time, I need you to try and counter my attack with a cosmic energy-enforced Cero. If you can’t do that, just a Bala would do good, too. I just need you to get a hang of calling out cosmic energy for now.”

Raising his hands once again, Xeion charged up another ball of cosmic energy in his palm, but this time, it was slightly bigger than what he had sent to Rakey-chan a bit earlier. In a flash, Xeion released it as the jet-black energy sliced through the air with great speed, headed straight for Rakey-chan once again.

Xeion smiled and gave Rakey-chan a ‘thumbs up’ gesture, affirming the fact that she had just done a good job. It was obvious that she was beginning to get a hang of the use of cosmic energy, or at least being able to summon it out of the crystal star which symbolized her and his familial bond to each other, even if that bond was only artificial, though Xeion, like all of his bonds with his other adopted imouto, treated it as real as real can get. He firmly believed that they were family; and didn’t even need blood or matching DNA patterns to prove that. It was more of a bond that goes beyond genetics or human laws -- it was a bond made by their own hearts, of their own free wills. It was also what gave cosmic energy its power -- the feelings, the desire, and everything else, of the person who used it. Cosmic energy responded to the feelings of its user. The stronger the feelings, the stronger cosmic energy gets. In fact, cosmic energy can still rise at a geometric rate, depending on the belief of its user and can grow even more formidable if the user‘s belief is strong and the user’s mood fits the type of cosmic energy being used. Therefore, it’s not surprising why Rakey-chan was able to brandish such a power quickly. Her desire to become strong in order to protect those she loves were all what she needed to call it out. Now that the first step -- calling out cosmic energy -- was done with, it was time to move on to actually use it in melee combat.

“Nice job, Rakey-chan; now let’s move on to actually use cosmic energy in melee combat,” said Xeion, taking out Elena, his zanpakuto, from her scabbard, which was slung over his back, as Xeion swayed her from side to side, her metal body slicing through the air with an audible zing. “Now, take out your sword so we can start with the training. Firstly though, try and gather up as much cosmic energy into your hands, okay? You need to do that first before we can proceed.”

Xeion raised his sword-hand and showed it to his imouto. “Just like this,” he said, and with that, jet black energy raced to his sword arm and began to distort the dimension surrounding it in the form of a hazy miasma. He smiled at Rakey-chan, trying his best to assure her that she could do it. “This may look quite scary, Rakey-chan, but trust me, it’s not. Cosmic energy, as I said before, is somewhat like a manifestation of negative emotions, hence the scary look of it. This is why you need courage and strong emotions to call it out. You can’t afford to get scared if you plan on using this energy in battle,” Xeion explained, “however, I believe that you possess ample courage, Rakey-chan. You can do it -- I have no doubt. You are Las Noches’ Four-Leaf Clover, after all. By that fact alone, one can already theorize that luck is on your side, haha,” giggled Xeion as if trying to lift the mood up to that Rakey-chan won’t get scared.

Xeion nodded, answering her question, and returned her enthusiastic smile with his own. It was surprising how fast Rakey-chan learned things and how she was able to quickly pick up on his examples in such a short amount of time. It was like Rakey-chan was born to learn -- her mind was like a sponge in the sea of knowledge. Her comprehension of things surpassed that of normal Arrancar her level, even Espada-level Arrancar, who only knew how to fight and eat. Well, most of them, just like one certain Arrancar he had met quite a long time ago.

Going into his duel stance, Xeion adjusted his body and shifted his weight to his dominant leg, which was extended a little bit forward while his other leg was a little bit back. He held Elena's hilt tight as he gave orders to Rakey-chan, telling her what to do next. "All right, Rakey-chan; what I want you to do now is to attack me. Don't focus on your speed when you swing your sword, just focus on making your strikes as powerful as you can."

With that said, Xeion dug his feet into the ground and prepared for what was about to come next. "Show me what you can do, Rakey-chan."