Plans(1)
[Opening Mystery Box.]
[Opening...Obtained Yamato(Alternate Skin)[1]...Obtained Aura Reading Ability...Obtained Immunity Shot...Obtained 5 mysterious pills. All are stored in your new inventory. Say Inventory and your items should pop up in squares. Reach for them and they will come.]
Naruto: "Uh...What the hell?" Naruto was greatly confused. Did his power just give him drugs? "I want to ask you so badly as to what the pills are for but I'm going to hold back for now." He squeezed his eyes with his thumb and index finger respectively and sighed. "Give me information about the Yamato."
[The Yamato is t-]
Naruto: "Wait! You're giving me information this easily? What are you doing? If this is a trap then you better stop now."
[+1 Wis for noticing. There is no trap here. It is impossible to get ahold of the information I am about to give you.]
Naruto: "Really? Why is that?"
[Figure it out.]
Naruto: "There it is." Naruto smiled."I thought someone kidnapped you, buddy." said Naruto gleefully.
[...]
Naruto: "Could we get back on track?"
[Yes. The Yamato is a devil sword. It is one of the sharpest swords in the entire universe. It is so sharp that it can even cut through space itself. It is a sword of tremendous demonic power and the only way to stop it is another sword of equal power which doesn't exist currently. Of course, you can limit the sword's power so that you can give your opponents a fair chance if you want. Not to mention, you have to figure out what it can do in the future for yourself. However, know this. This sword operates on demonic power. Something you don't have. I modified this sword so that every time you use it, you lose a little bit of your human heritage and become a demon so your body can generate demonic power. It will stop when you are 50% demon and 50% human but no further as then, it will start changing you physically.]
Naruto: "I...see." 'Damn. This sword is strong. It can also make me strong but at the cost of my humanity. What does that matter? "I'm guessing demonic power is exclusive to only demons and that other people would never have the chance to interact with it?"
[+1 Wis for the conclusion. Yes.]
Naruto: 'That's even better. At least I have one life-saving backup. My only theory is that this is from another world or universe but I'll save that Wis point gain for later.' "Now, explain Aura Reading."
[The ability to see one's own or other's Aura. Through their Aura, you can feel their true emotions towards you and if leveled high enough, one can see what is the foundation for that emotion towards one another and what keeps it ongoing.]
Naruto: 'Useful. Simple. Very Practical in the Shinobi World. You never know who's your enemy. Well, in my case. Just about everyone. Besides those at the Ramen place... They're Saints I tell you.' "Lastly. What are the Shot and the pills?"
[The Immunity shot is exactly what it says. It gives you immunity.]
Naruto: "To what?"
[Just about every poison. Including the painful side effects of the pills.]
Naruto: "These pills have side effects? The way you mentioned the fact that there is a shot for its immunity, it sounds severe."
[Yes. Hallucinations are the lowest level of the side effects. You don't want to know what could happen to you. It has great benefits though. Side effects would make it a curse rather than a blessing.]
Naruto: "But with the shot, it gives me the blessing without the curse...cool. What does it do?"
[I can not tell you that. You have to experience it for yourself. FYI, these items are exclusive to you only. Other people will just find the pill as a candy, whereas you will find it as a miracle.]
Naruto: "Oh good. I rather not have people play with my toys." Naruto called the inventory in his mind and saw the shot. It was a greenish liquid with a purple glow that shows up from time to time. He gulped and made a silent prayer to whatever the hell was up there and he pushed it against his neck as per instructions. He pressed down the needle to push all the liquid down in his body and when his power notified him that he was done, he took it out and abruptly fell to the floor.
Holding his neck with both hands, Naruto clenched his teeth harshly. If Naruto had to describe how it felt, then he would say that it was pulsating. The word painful is inefficient to explain what he was going through. His eyes became bloodshot and eventually, the chakra of the Nine-Tails tried to interfere to heal him. This attempt however immediately failed as the chakra left as quick as it came as if some external factor made it do so.
Naruto felt hot. He felt intense heat. He wanted to scream but he couldn't. His body wasn't listening to him anymore and the pain came in waves. Each one was stronger than the previous. It was only because his face was on the cold ground that he had some kind of stability of thought. Time felt agonizingly slow and thoughts of dying took shape in his mind until the Gamer's Mind skill made him rational once more. Clarity was the last thing Naruto wanted in the situation he was in.
Every tormenting second felt like years. His skin turned bright red, his mouth was dry, his hair was disheveled, and he thought that his body was about to explode. Every part of Naruto's body screamed out in rebellion. The bones in his body were aching, his muscles were spasming, and a strong headache was taking place.
It lasted another ten minutes before he can even control his fingers. When he did, he felt his body functions slowly returning to him. After five minutes, he made a full recovery and felt normal. He even began to think he went through that pain for nothing.
Naruto: "Give me a summary of anything I gained." said a wrathful Naruto.
[Ok.]
[You gained Vit +4, End +2, +3% Chakra Control.]
[Poison Resistance (Level Max) ]
[Gives the user poison resistance to all types of poisons. The user will feel 0.0000001% of the effect of any poison.]
[Poison Adaption (Level Max) ]
[The user's body will make new mutated antibodies. These antibodies will adapt to any all poison in ten seconds to thirty seconds, depending on how strong the poison is. Any of the same poison, regardless of whether it is mutated or not, that the user has experienced will now become a permanent immunity for the user.]
[Special Pill Immunity (Level Max) ]
[Lets the user never be able to experience the side effects of the special pills.]
Naruto: "Good. These skills better rescue me in my time of need." Naruto looked at pills and then looked away. He wanted to try it but he had more pressing matters at hand. 'At least my health shot up. That will prolong my life.' "Say, shouldn't I give you a name?"
[If you want to.]
Naruto: "I'm going to call you Cain."
[Okay. Then I am Cain from now on.]
Naruto: "Now Cain. I got this burning question in my mind."
[What is it?]
Naruto: "Why didn't you feel the need to warn me about the pain that I was about to experience?"
[No reason.]
Naruto: "You are so lucky that you are my power. The things that I would do to you..." Naruto grumbled out and then he let out a sigh. "Why don't we start planning for the future?"
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[1]https://vignette.wikia.nocookie.net/devilmaycry/images/e/e9/Yamato_DMC4.png/revision/latest/scale-to-width-down/350?cb=20150508044746