Naruto: Reincarnation With All Existence System

The action Ren decided to make was to slowly get behind Soruki and then he would turn Soruki into a vampire servant. Then Ren would put Soruki in the crimson world and pretend to be Soruki in front of all the other monks so that he could eventually approach Sora and turn him into a vampire. After doing this Ren pretended to be guarding the tomb for a few minutes and then once Soruki had his guard down Ren used his owl chakra aura to silently approach him. Now that Ren was in front of Soruki he bit down on his neck and once he absorbed enough blood he made a small cut on his hand with his bones and controlled the drops of blood to go into Soruki's body.

Now that Soruki was a vampire Ren put him in the crimson world and then he used all of his transformation jutsu to look like Soruki, Ren also forced Soruki to slowly release some of his chakra into the crimson world and made him follow the normal commands so that he doesn't reveal Ren or vampirism. Ren continued to pretend to be Soruki for the next two hours and then the other monks finally told him that his time guarding the tomb was over for now. So what Ren decided to do was ask Soruki with his mind what he would normally do after guarding the tomb. Soruki had told him that normally he would go to his housing at the monastery and then he would sleep for a few hours then he would have to do training to get the gift of the hermit group chakra.

So what Ren did was go to where Soruki told him his housing was at and then once he was at the house he checked his map to make sure no one was watching. After Ren knew no one was watching him he sent Soruki out of the crimson world and then let him go to sleep and Ren decided that when Soruki was sleeping he would refine more of his vampire blood and finally become more than fifty percent vampire. The only method Ren had to refine his blood was to use the blood refining method that he had bought for around 3,000 points. Since Ren only had around 18,000 points he decided that he wouldn't improve the technique at all because he still needed those to buy the manual to get to rank 2 of three more paths.

Ren had used the blood refining method for the next six hours and after this time Ren checked how much progress he made in vampire bloodline and saw that it only increased by 5%. Now that the six hours had passed Soruki had woken up and Ren knew that Sora didn't do any of the training that ninja monks did to learn the gift of the hermit group chakra because he was only a monk in training right now, since Ren knew that he was going to find Sora with his map or dojutsu and then he would sneak to where Sora currently was.

Ren couldn't find Sora on his map because it only showed people in a fifty-meter radius, so Ren had to use his dojutsu to detect Sora's chakra signature. With his dojutsu, Ren could easily detect Sora and so now he slowly made his way to Sora. After around twenty minutes Ren was very close to Sora, but Ren didn't ambush Sora because his father was with him right now and Ren knew that he couldn't defeat Kazuma (Furido) in one attack so he would probably alert all the other monks. Right now Ren wished that he could turn Kazuma (Furido) into a vampire because he had many powerful jutsu but Ren's vampire path rank was too low to turn Kazuma (Furido) into a vampire servant.

The main reason why no one had found Ren was that his owl chakra aura made all of his movements and attacks completely silent, the other reason was that with all of Ren's transformation jutsu he kept transforming his body into his surroundings. Ren had to wait almost an hour until Kazuma (Furido) left. Once he was gone Ren checked his map to make sure there was just him and Sora in the area and Ren couldn't see anyone else on the map, so he knew no one else was in a fifty-meter radius of him. Ren would normally just go rush a person and turn them into a vampire, but Ren knew that Sora was stronger than the normal person.

What Ren decided to do was slowly get closer behind Sora and once he was close enough he bit down on Sora's neck and used Yoroi's chakra absorption method to make sure Sora could not retaliate. Once Ren began to drink Sora's blood he felt that it was very rich in chakra compared to everyone else's blood that he drank.

'This much chakra! It must because he is a pseudo-jinchūriki of the nine tails.' - Ren

Ren normally absorbed someone's blood when he was turning them into a vampire but Sora's blood had so much chakra that Ren couldn't convert it. Then when Ren thought he had drunk enough blood he felt that the amount of chakra he was absorbing was a lot higher and saw a red aura appearing around Sora.

'This must be the initial Jinchūriki form' - Ren

Even though Sora had gone into his initial Jinchūriki form Ren was still holding him still and continued to drink some of his blood. Then when Ren was about to put his blood into Sora's body Ren saw tails starting to form on Sora's back. Even though when Sora had his tails formed he was much stronger than Ren, Ren had activated his dojutsu and instantly put Sora in a genjutsu.

'I should have done that way sooner, instead of taking the risk.' - Ren

Now that Sora was in a genjutsu his nine tails chakra stopped coming out and Ren made a small cut on his hand then Ren moved his blood into Sora's body. Now that Sora was a vampire Ren let Sora out of the genjutsu. Ren didn't want to stay in the fire temple any longer than he needed too so he wondered if he should go get Soruki or let him continue to train in the temple.

'Right now Soruki probably doesn't have enough experience in fuinjutsu or the gift of the hermit group chakra to be able to teach it to me, so I will let him stay until he is more knowledgeable.' - Ren

Ren decided that before he and Sora leave the temple he needed to do something about Kazuma (Furido) because he almost definitely had a way to track Sora down or his chakra signature. What Ren decided he would do was have Sora ambush Kazuma (Furido) in his tailed beast transformation and then he would use all of his limit breaking jutsu (AN: by this I mean jutsu like eight gates, seven heavenly breaths, blood boiling) to finish off Kazuma (Furido).