The divine power dwelling within the Mangekyō Sharingan: Susanoo.
This was not Uchiha Senmon's first encounter with Susanoo, but Sapporo City and the Asakusa area had already experienced firsthand the terror and despair it brought.
Even divine beings as powerful as Yamata no Orochi, Princess Kaguya, and the Toad Sage had to concede defeat before it.
But he had a chance of winning!
Uchiha Senmon kept his eyes fixed on Uchiha Itachi, who was enveloped in an orange-red Susanoo. The three tomoe spun rapidly like a windmill.
"Wood Release: Tree Binding Eternal Burial!"
As Uchiha Senmon formed a hand seal, a vast mass of vines and saplings instantly sprouted from the ground with lightning speed, winding around the bones of Uchiha Itachi's Susanoo.
Rip!
Uchiha Itachi's expression remained unchanged. With a sweep of Susanoo's skeletal arm, he effortlessly tore the vines and branches apart.
He suddenly stamped hard against the ground, shattering it with a crash, and shot toward Uchiha Senmon like an arrow loosed from a bow, bearing down on him.
Over ten meters tall, Susanoo charged like a rampaging warship with world-destroying force, tearing through even the air with explosive cracks.
Boom!
That single blow was like several tons of TNT exploding inside the chamber. In an instant, the earth shook.
Violent winds and shock waves swept outward in every direction. Even Sakaki Namiru and Assistant Ichimaru, hiding in a corner of the chamber, felt their faces sting and paled in horror.
"Oh?"
A trace of surprise appeared on Uchiha Itachi's otherwise indifferent face.
At some point, several trees so thick it would take several people to encircle each trunk had burst from the ground. They tightly bound Susanoo's descending arm, preventing him from pulling free for the moment.
"Wood Release..."
Standing in the crater, Uchiha Senmon had