Kakuzu's all-out combined attack from his Wind, Fire, and Lightning Release hearts was indeed extraordinarily powerful. If Kakuzu himself had mastered Kekkei Tōta and could further blend those three Chakra natures with precision, its destructive power might not have lost to the Tsuchikage's Dust Release.
Even so, Naruto Uzumaki suffered severe injuries after taking that blast head-on.
A terrifying pillar of fire descended from the sky, accompanied by the howls of wind and thunder, nearly roasting Naruto Uzumaki's wind-form body into scorching vapor in an instant—
When Hozuki Suigetsu used the Hydrification Technique, what he feared most were Lightning Release and electric currents. The moment he was hit, his entire body would be paralyzed. Even if he turned into water, he could no longer flow, leaving him sprawled on the ground—sometimes in worse shape than an ordinary ninja.
Naruto Uzumaki, in his Wind Transformation Technique form, was likewise nearly blasted into nothingness by the onslaught of intensely concentrated fire and lightning. Within the explosion of boundless light, he desperately scattered himself in the form of hot winds in every direction—
When everything finally settled, a massive crater remained. Scorching air drifted above it, and fine Cursed Seal chains, visible to the naked eye, spread through the permeating hot wind in countless strands. They linked the scattered clumps of wind together and gathered them once more, restoring Naruto Uzumaki's outline at the center of the crater.
Naruto Uzumaki released the Wind Transformation Technique. His entire body was scorching hot and steaming, with large patches of skin burned away, only to rapidly heal beneath the Nine-Tails' power. Destruction and restoration, two layers of torment, brought an unbearable, bone-deep pain that was both sore and itchy—
Naruto Uzumaki curled up and gritted his teeth through it for a while before suddenly snapping awake.