BOOM---
The Prehistoric World crashed violently against the boundary wall of the world ahead, and the two realms connected.
The primal chaos of heaven and earth in both realms surged, emitting brilliant colors as they intertwined and collided. A new substance of energy fused and was born from the light, but the moment these energy substances came into being, they were immediately swallowed and assimilated by the primal chaos of heaven and earth of the Prehistoric World.
Once a battle between worlds began, it could only end with the complete demise of one side; there was no such thing as shaking hands and making peace.
The same held true for the battle between the Prehistoric World and the Ultra Beast World.
The battle between the Prehistoric World and the Ultra Beast World had not ended; it had merely failed to catch up for the time being.
Discovering the gap in world tiers between them, the world opposite the Prehistoric World went all-in right from the start, fighting the Prehistoric World to the death without leaving any room for retreat. A massive amount of primal chaos of heaven and earth poured toward the Prehistoric World.
The Prehistoric World was likewise pouring the primal chaos of heaven and earth into the opposite world.
The Prehistoric World poured in the primal chaos of heaven and earth to allow its native cultivators to enter the opposite world and alleviate the negative effects of being suppressed by the world's force.
Yet the opposite world was clearly doing no such thing.
If too much of a world's spiritual energy leaked out, it would enter the Age of Dharma Decline prematurely, or even suffer a drop in world tier.
However, the opposite world was exceedingly resolute.
It immediately deployed a tactic of mutual destruction right from the