'Chakra recovery up LV1'

'That's a really useful skill now that my chakra is low, I need high recovery rate.' Naruto thought as he decided to sleep, he hadn't slept peacefully for so long that he couldn't help but feel the need to rest as his mind felt the fatigue.

'Tomorrow I will try out the things that Master Jiraiya taught me.' Naruto thought as he closed his eyes and sidelined all the negative thoughts as he knew nothing good happen from them.

The sleep was not peaceful and he was alone for the first time in so long, so Naruto was feeling irritated when he woke up.

"They are all okay, I just need power to get back home and in time to fix everything. If this is possible then that should be child's play." Naruto muttered for motivation and saying it out loud lessened his burden

Naruto felt that his chakra was full so he decided to test out something that he had been taught when captured by Jiraiya to pass time and for distraction. He had been taught the theory about elemental jutsu for all elements since they didn't know which one he had.

Jiraiya had taught him all his jutsu and that was all Naruto had at his disposal but he believed that was enough for now. Naruto was hidden inside the hole as he concentrated on the surroundings and his chakra, and sent out a pulse.

The chakra pulse traveled 10 meters from him in a circular fashion and he sensed everything that was his size and above but he couldn't keep it for more than some seconds as it was heavy on his mind.

'Sonar LV 2'

'Success, I don't have to travel blindly now. Though this has limits, it is better than nothing.' Naruto thought as he took a small break

After 5 minutes, Naruto went for the elemental jutsu. Jiraiya only knew some water jutsu and mainly focused on earth and fire while he knew known from air and lightning.

Naruto focused on the earth around him and poured his chakra, he commanded it to smoothen under him and slowly it happened after half an hour, which surprised him since master had told him that it should take him at least a day at his age as the difficulty increased as you became older.

'Maybe because I am too young now and my connection with earth is high or is there some skill that I don't know of.' Naruto thought when he saw the phenomenon

'Earth magic Lv 1'

'Chakra Manipulation LV 3'

Naruto heard the announcement and felt that his chakra control increased along with his control on the earth around him.

'That's good but let me recover some chakra and hunt as I feel like I will die of hunger.' Naruto mused as he lay down and focused on recovery.

After resting for 10 min, Naruto used the sonar and left the hole as he saw no enemies. Naruto walked cautiously and looked for prey, he didn't have look for long as he came across two frogs.

'Those are definitely poisonous.' Naruto concluded with just one look at them from the ceiling and decided to kill them as he realized it could give the skill needed, and being picky was impossible.

With a single push, Naruto's chakra enhanced body destroyed the head of one frog and before the other could even register his presence Naruto had cut of its head with his pincers.

Naruto looked at the dead bodies and carried them on his body as he used chakra to make them stick while he made a hole and went inside. Naruto closed of the opening and decided to eat; he tore into one of the frogs and then the other as he was feeling too hungry.

"Guhh" Naruto felt intense pain inside his body as he finished eating and decided to lie down while he focused his chakra to help him go through the ordeal, his enhanced body helped overcome the problem.

'Poison resistance LV 2'

'Pain Resistance LV 2'

"Good, now to hunt more as I need to level up quickly to at least get back into shape." Naruto muttered happily as his current body was very far off from his original body so he couldn't even consider being on the starting line.

Naruto dug out of the hole and decided to finish off the monsters of his kind; they were all in one place and quite weak from what he remembered.

"But it's hard to fight like this so let me turn back." Naruto said as he transformed into his human form and even though he looked the same, Naruto could feel how different it was and he had to keep his concentration as it will be undone.

'Transformation LV 2'

Naruto walked towards the place where he woke up and saw the pit filled with centipedes that crawling everywhere. Naruto stuck to the ceiling and stayed some distance from the pit, he broke off a rock from the ceiling and threw it in the pit.

There were so many that he didn't need to aim and with a chakra enhanced rock, two of them died.

'LV 7'

Naruto leveled up while the screams of the bugs became louder as they tried to locate him and he threw more and more. It was easy farming method and as expected within half an hour he had killed so many that he reached the limit and decided to make a new place to rest before deciding on his next action.

'Chakra manipulation LV 5'

'Chakra enhancement Lv 4'

'Accuracy LV 3'

'Prediction Lv 2'

'LV 10'

'Evolution requirement have been met, please choose. Greater Elroe Ferect or Chainsaw Golden Centipede.'

Naruto was happy with the result and looked at his choices, 'This form should be Elroe Ferect and from what I have seen it is very weak so the other choice should be the better one.'

"I choose Chainsaw Golden Centipede" Naruto muttered and he felt his mind become heavy, slowly he lost consciousness.

After some time Naruto woke, he didn't how long he had been asleep since he had no watch or anything else to tell him the time. He felt that his body had become bigger and stronger, and that it was very tight inside the hole as his body seemed to have grown to 1.5 meters in length.

'This is better and it seems my skills have also leveled up by one with this evolution. This gives me hope that I can achieve it but how many more evolutions can I go through and what is the level limit.' Naruto mused but he had no one to answer his enquiry and he decided to hunt as he was dying of hunger, it seems evolution was dangerous as it could lead to death from hunger.

Naruto was feeling really hungry and felt his thoughts slow down; he used the sonar which had grown to 30 m and rushed at the first enemy that he came across. It was giant snake, bigger than him by 5 times but Naruto didn't care as he enhanced his body and pierced through its head in one go.

Naruto's speed had increased as the body could take higher level of enhancement and it was too fast for the foe. Naruto didn't wait and dug into the delicious food in front of his eyes, hunger was the best spice and he couldn't wait.

'LV 4'

'Chakra enhancement LV 6'

'Poison resistance LV 3'

'Chainsaw attack LV 3'

Naruto calmed down after eating the whole snake and remembered the announcements, 'It seems I start over in the level department after an evolution.' Naruto concluded and decided to move towards more prey as his hunger had not been satisfied.

He was Chainsaw Centipede and from both sides of his body exist sharp row of teeth, and as he moved the teeth moved like a chainsaw. Naruto realized how annoying that was so he had to suppress them to avoid attracting enemies and he was lucky there were none nearby when he had been out of his mind.

Finally after some time, Naruto sensed 20 enemies in his range and they were stuck to the ceiling. Naruto concentrated chakra on his eye and his vision zoomed in on the enemies, they were some kind of bat like creatures.

'Such a weird being.' Naruto thought as he looked at the round bat covered in shaggy fur and a large, piggish nose with a heart-shaped nostril. The thing had two black wings and large mouth with a single large fang on its upper jaw.

Naruto concentrated on the earth and decided to use a jutsu to kill them as he had large enough reserve, and he was feeling cautious from such an unknown being.

'Earth spikes' Naruto thought as his body released the chakra and spikes pierced the bats with ease, they died without making a sound and were skewered by the spikes. Naruto approached the area and looked around; as he found no enemies he gulped down the smaller prey and left none behind.

'Overeating LV 2'

'LV 7'

Naruto finished of the meal and decided to rest as he felt his stomach feel really full, he lay down to recover the chakra he expended.

As he stayed alert for enemies, Naruto saw another bat but it was weird since it was hiding within an illusion of a human girl.

'Is it trying to trick me into attacking the illusion and giving it a chance to attack or is it someone like me?' Naruto questioned and acted, he moved like the wind and quickly covered the distance between them.

The bat was not able to even react and was taken down to the ground; Naruto stared at the bat as it was stuck underneath his legs.

"Are you human?" Naruto muttered

"I am a reincarnated person, same as you. Please could you get off, I might die from the weight." Naruto heard a female voice inside his head and got off; he didn't feel any danger so it's wasn't a risky step

"Thank you for not killing me, my name is Rias Gremory. What is yours?" Rias asked as she stuck to the ceiling

"Naruto Uzumaki. Do you know where we are and who did this?" Naruto questioned, she seemed to understand what he said so he decided to talk as he was unable to talk to her mind

"I do not know how it happened. I died during a battle and woke up as this creature. What about you?"

"I was sacrificed by some monster and woke up here in a weaker form." Naruto replied his voice filled with malice

"Would you mind if we worked together, it is quite hard for me to fight in this body?" Rias asked, she didn't delve deeper into his past as she wasn't sharing her's either

"I don't mind but obey my commands and be a hindrance. I wish to become strong so we will hunt a lot, is that acceptable." Naruto said in a calm manner but inside he was happy to have a companion as he disliked being alone, only his goal had distracted him from that fact.

"I will try my best." Rias replied in a relieved tone, she had appeared in this place a week ago and hunted with difficulty as she had to get used to the new body.

"You look really strong, were you a warrior?" Rias asked as she sat above his body while Naruto moved slowly.

"Yes, but not really that strong as I had a long way to go." Naruto replied as he used the sonar again

'Sonar LV 3'

"I want to see how you fight so I will isolate a single foe for you to fight." Naruto said as he sensed three frogs

"Get off" Naruto said and Rias took flight, and Naruto struck the two frogs like lightning. He devoured them whole and moved away leaving the other one to Rias.

Rias swooped in and bit the head of the frog, her fang pierced its skin and slowly she devoured it whole.

'Disgusting, I can't believe I have fallen to such a state. It is still better than dying, that bastard Kokabiel will pay for this sin. I just hope the others survived as I might find a way with Naruto.' Rias thought as she looked at the giant golden centipede, it was terrifying to look at and she was happy that it was on her side

"Not bad but it doesn't seem you have any strong attacks. Can't you do magic or something?" Naruto questioned

"I have very low mana for such attacks but once my mana has increased I should be able to magic attacks." Rias replied, she regretted not learning about the other magic systems so she couldn't really test now with such low reserves as she would die

"I see. I will help you evolve, what level are you?"

"Level 8. Evolve?" Rias didn't about the evolution so she was confused

"If you reach level 10 then you will receive the choice to evolve into a higher being." Naruto replied

'This is good; I thought I will be stuck in this weak form forever. Maybe it can evolve into a vampire.' Rias thought as her hope surged and she looked at Naruto

'Appraisal'

'Cannot be analyzed' Rias received the notice which she expected as her appraisal was only LV 2 and she was way weaker than Naruto but trying it on new things helped level it up

"Do you know of any other person like us?" Naruto asked

"I haven't seen anyone like us but that might be because I didn't move around much." Rias replied as she flew behind Naruto

'Maybe I can find more people and they can help me with my goal, if I can evolve into some higher being so can they.' Naruto mused as such thoughts churned his mind, he was not being arrogant enough to think that he might win alone as he had learned that teams were better.

A.N Hope you enjoyed and comment

I decided to use more characters as there is only Kumoko in the dungeon.

Next chapter they will meet her.

Ace from One Piece will be introduced in lava area