Time flew.
In the blink of an eye, another month had passed.
In Shikkotsu Forest, within the deep pit where the life vein lay.
After the life vein's special training, Luo Yu's Sage Mode had reached the limit of his current level.
Without borrowing Tobi's power, he could now perfectly blend natural energy and chakra, two forces that were difficult to reconcile.
His control over senjutsu chakra had also improved noticeably.
When he activated Sage Mode again, a dot surrounded by a ring appeared between his brows.
It lacked the facial markings of the Perfect Sage Mode Hashirama Senju had displayed during the Shinobi World War.
But it was still the limit of what someone at Shadow Guard First Tier could achieve.
Previously, his weak control over senjutsu chakra had caused branches to sprout from his body.
Now, his familiarity with senjutsu chakra had allowed Luo Yu to resolve that problem completely.
His body would no longer undergo Tree Transformation.
However, advancing the form of his Sage Mode any further was impossible for the time being.
Tobi was in the same situation. Although a bullseye-shaped cursed seal appeared clearly on his forehead,
and his body no longer took on the shape of a pitcher plant, his cursed seal had not advanced to a higher form.
In this more refined Sage Mode, the boost provided by senjutsu chakra was far greater than before.
Their ninjutsu, strength, and speed had been developed to their utmost limits.
"Your chakra reserves are much greater than those of an ordinary Shadow Guard First Tier."
"But even with as much senjutsu chakra as your body can hold, you're still some distance from attaining a higher form of Sage Mode."
The underground veins surrounding them radiated rich vitality as this voice rang out.
Luo Yu understood at