From within Susanoo, Uesugi Sasuke saw Tanjiro's failure in its entirety.
He was not surprised.
When Hantengu's true body sensed a lethal threat, he would expend the last of his Blood Demon Art to form the sturdiest protective shell, far harder than steel. Ordinary Nichirin Blades could not cut through it at all.
This was the final, most insurmountable defense he had left for the swordsmen of the Demon Slayer Corps.
"Roar!!"
Meanwhile, Zohakuten sensed the danger to his true body in the distance and let out an even angrier roar.
He no longer paid any attention to Susanoo before him. Instead, he frantically beat his drums, and hundreds of Wood Dragons burst from the ground, surging toward the helpless Tanjiro on the other side in an overwhelming tide.
He had to protect that weak self of his!
"You're too loud."
Sasuke's icy voice rang out from within Susanoo.
He no longer had the patience to keep playing with these demons.
"This ends here."
The instant his words fell, the atmosphere across the battlefield abruptly changed.
The enormous purple chakra sword that had cleaved through mountains slowly dissipated into particles of light.
In its place, Susanoo raised its massive arms and brought them together before its chest.
An energy far more terrifying and unnerving than before began to gather.
"Bzzzt... crackle..."
Purple lightning appeared out of thin air, writhing like wildly dancing silver snakes and giving off a deafening roar.
Everyone present, whether Demon Slayer Corps members or swordsmiths, felt waves of pins-and-needles numbness across their skin, their hair standing on end.
Even the sky seemed to be stirred by this power, darkening as storm clouds gathered.
"Wh... what is that?"
Mitsuri Kanroji tilted her head back, gazing at the constantly compressing sphere of light made of pure lightning in