"Just as I thought, with the Yang Seal, I can employ more tactics."
Kakashi thought to himself after closing the Yang Seal.
If it was before he had cultivated the Yang Seal, he definitely couldn't use so much Ninjutsu to deplete Obito's state, because he had to save Chakra for the Breath of Thunder Chakra Mode.
With the Yang Seal, it was more comfortable, he even had the leisure to release the Thoughtless Slash after exhausting himself.
"Kakashi, how do you have so much Chakra?" Obito couldn't help asking after being healed by Mokgetsu.
At this moment, Obito felt very frustrated, not only had he lost to Kakashi in front of Nohara Rin, but he also couldn't destroy the photo.
However, Obito's curiosity about Kakashi surpassed that frustration, he really couldn't understand why Kakashi's Chakra could increase so much.
Opening the Sharingan or upgrading it always involved a period of Chakra growth, but Kakashi wasn't a ninja of the Uchiha Clan, and such an increase was simply too large.
"Yang Seal." Kakashi didn't hide it, taking off his forehead protector to reveal the lightning mark on his forehead.
There was no need to hide such information, after all, they were teammates, and knowing each other's strengths and weaknesses was the best.
"The Yang Seal can store extra Chakra, to be used for Breathing Chakra Mode."
Obito was shocked, is this like having double the Chakra?
"Mokgetsu, you've already developed this Ninjutsu, huh?" Namikaze Minato looked at Mokgetsu with some surprise after hearing Kakashi's words.
In the first year they met, Mokgetsu had mentioned a similar idea to him, and they had discussed it with Jiraiya together.
Due to its great difficulty, Jiraiya wasn't optimistic about the Ninjutsu at the time.
"You could say so, but it's not the complete version yet, there's still room for improvement," Mokgetsu nodded in response.
The current Yang Seal is usable, but there's still a gap from Mokgetsu's original plan.
"Teacher Mokgetsu, I also want to learn this," Obito brushed the dust off himself, saying quickly.
Because of his Sharingan, Obito had more Chakra than the average ninja, but his Chakra was still not quite sufficient.
If he had enough Chakra, maintaining the Sharingan and Breath of Flame Chakra Mode throughout a battle, his actual combat strength would undoubtedly improve greatly.
"Currently, you can't learn it, not until you master the Transparent World," Mokgetsu shook his head and explained.
Yang Seal is more complex than Yin Seal, and its threshold is higher.
"Huh?"
Obito was dumbfounded, needing the Transparent World to learn it, how long would he have to practice Breathing Techniques to reach the standard for learning?
He remembered that the Transparent World is the Ultimate Intent of Breathing Techniques, more difficult than Breathing Chakra Mode.
Except for Kakashi, who somehow mastered it before mastering the Breathing Chakra Mode, no other Mokgetsu disciples showed signs of mastering the Transparent World.
Shisui remained calm; the moment Mokgetsu finished speaking, Shisui was also tempted. No ninja would refuse the idea of having more Chakra.
However, Shisui then realized that since Mokgetsu only taught it to Kakashi, there must be some restrictions, and only Kakashi could learn it.
Otherwise, such a versatile Ninjutsu should have been taught to other disciples.
Yamato scratched his head, feeling that this content was too far from his reach.
He hadn't even mastered the Constant State, let alone the Breathing Chakra Mode or the Transparent World.
"I'll wait until Teacher Mokgetsu teaches the Flying Thunder God," Obito sighed internally.
He thought that even when he reached the threshold for learning Flying Thunder God, he might not master the Transparent World.
The Yang Seal requiring the Transparent World seemed too far-fetched; it might be better to focus on Flying Thunder God, which was somewhat distant but attainable.
Kakashi bid farewell to his teachers and fellow students, preparing to go home.
At that moment, he had exhausted more than half of his Chakra and expended a considerable amount of energy, so it wasn't suitable to have another battle with Might Guy.
He planned to refine the Thoughtless Slash further before battling Might Guy again.
Obito returned home, had dinner, trained for a while, and then went back to his study to read.
His strength was a notch behind Kakashi's, and he couldn't catch up in a short time, so he needed to make some progress in other areas.
......
Land of Rain, northwestern border.
"I guess it's only fitting to say it's the Land of Rain," Roshi said, looking up at the sky as he felt raindrops fall.
The sky was shrouded by heavy clouds, like a giant black curtain hanging across the sky, entirely blocking out the sunlight.
Whether it was to show off the country's unique features to this foreigner or simply due to bad luck, as soon as he arrived in the Land of Rain, it was overcast.
Roshi took a deep breath, distinctly sensing the air's moisture compared to the Land of Earth.
"I'll just consider it a local specialty." Roshi smiled as he strode forward under the rain.
After walking a distance, Roshi paused to turn back and glance over his shoulder.
By this time, the rain had begun to increase, and the distant scenery blurred beneath the rain, with the mountains and buildings cloaked in a thin mist, losing their usual clear outlines.
"Farewell, Land of Earth." Roshi soon turned his head back, waving towards the distant mountains, and walked away.
The Hidden Rock Village was his hometown, the Land of Earth was his homeland, but neither place held any genuinely happy memories for him.
Of course, if given the chance, Roshi might still return to take a look.
Though lacking in happy memories, there were still some memories worth commemorating.