Baryon Mode was a new form Naruto had activated in his previous life during his desperate battle against Ōtsutsuki Isshiki, and the Nine-Tails' ultimate trump card. Based on the principle of the sun generating energy through nuclear fusion, it fused the Nine-Tails' chakra with Naruto's to produce new energy, consuming their existing chakra to create new chakra and releasing an enormous burst of energy in an instant. The price, however, was the rapid depletion of the Nine-Tails' life!
Now, Naruto had the complete Ten-Tails within him, as well as his own chakra and vitality, tempered through countless trials until they rivaled those of the Ten-Tails. Using Baryon Mode on that foundation... it was no exaggeration to say its power was a hundred times what it had once been!
In Baryon Mode, whenever Naruto's attacks touched his enemy's body, this new power rapidly burned away the enemy's chakra, continually eating away at their flesh like nuclear radiation!
The mode's only drawback was its extremely short duration!
But with the vast stores of chakra in the Kaihōshu serving as reserves, its endurance would improve dramatically. Even that sole weakness had been overcome!
Within the Four Extremities of Heaven, all the Shadow Clones vanished at the same moment. The dazzling light made Shinshiki cover his eyes!
When he opened them again, the human whose name he still did not know had transformed into an entirely new form!
Vivid as the petals of a red spider lily, flowing garments enfolded Naruto's battle-ready body. Ten brilliant tails shone behind him, breathing out vermilion radiance. Black markings lay symmetrically across his cheeks, and his Rinnegan were as deep as ancient wells, without a ripple of emotion...
Shinshiki's expression wavered between bewilderment and disbelief. He had forgotten the Wax Torch blazing fiercely above his head!
"What is