"Oblivion Wing," a Flying-type special attack, the manifestation of Yveltal's Authority as the God of Death.
Its power was not actually that great, but the true threat of this move was... as long as it grazed its target, even for an instant, the Power of Death would swarm forth and drain away all vitality, turning the victim into a stone statue incapable of moving or thinking.
Battles between Legendary Pokémon depended not only on strength and skill, but also on the compatibility of their Authorities.
Having fought Zekrom for hundreds of rounds time and again, Reshiram understood very well how quickly the tide of battle could turn when one's Authority was at a disadvantage.
Just as when Yveltal, the God of Death, encountered Celebi, who was weaker than it in every way—Celebi's moves rich with Life Energy were practically charging Yveltal...
Fortunately, Yveltal could not counter its own power. That alone was enough.
Reshiram raised its head and roared. Countless streams of cyan fire leaked through its clenched teeth, and in the next instant, it unleashed terrifyingly hot Blue Flare straight at Yveltal's Oblivion Wing!
A violent clash of energy erupted overhead. With Celebi's help, the barrier Diancie had deployed firmly blocked the shockwaves that descended from the sky, though they had already been weakened by countless layers.
Even so, the shockwaves from Reshiram and Yveltal's clash easily swept across the ground, shattering many stone statues into dust.
Seeing this, Diancie, who knew how dearly the First Generation Queen Diancie had loved her people and companions, revealed a trace of sorrow.
The only consolation was what Celebi had said: the souls within those stone statues had already dissipated or departed, sparing them at least from pain...
Su Hao and the two Pokémon stared intently into the sky, watching Reshiram battle