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More fatally still, the lingering spiritual brands of [Entwined Branches Calamity] on the Tang siblings suddenly flared like fuses, causing the power of the diving gray-corrosion greatsword to surge.
At that hair's-breadth moment, Tang Xu and Tang Xi did not even need to exchange a glance. Relying on the absolute understanding forged through countless battles side by side, they unleashed their last wisps of soul power.
Tang Xu planted both feet deep into the ground, turning all his remaining soul power into thick, earthen-yellow elder yang force; cold light flowed between Tang Xi's fingers as deep-blue First Yang Force poured from her body.
"Earth-Water Joint Strike, unite!"
Both shouted, sending their Clear Sky Hammers and the soul power poured into them up to meet the sword of death descending from the heavens.
The two bloodstained Clear Sky Hammers-one heavy and dusky yellow as a mountain, the other tempered in fire and deep blue as a cold star-aligned their trajectories, strength, and wills perfectly along a single straight line just before striking the gray-corrosion greatsword.
There was no mystical transformation through fusion, only the most direct, brutal, and fundamental stacking of power!
BOOOOM!!!!
The two surges of soul power, now only at soul king level and unleashed by blood relatives from the same source, were stacked to their absolute limit at the same point of impact, at the same instant, through the same kind of weapon.
The yellow and blue soul-power radiance did not blend. Instead, they forcibly converged, compressed, and resonated just ahead of the impact point.
They formed an energy shock wave more than twice as substantial as a single hammer blow, mottled in color yet extraordinarily solid.
Like two converging torrents of steel, they met the gray-corroded sword edge that embodied