The changes of an era always came silently.
The Eastern Kingdom had been waiting all along, even concealing the direction of its future weapons as much as possible, all so that when the First Wave erupted, it could achieve the greatest possible results.
Yet the invaders from other realms still lived in the old era.
"They can no longer endure it. This campaign should be over within three months."
The demigod-class grand lord, the Specter Leopard King, was one of the main figures overseeing the siege of the Mountainous Country.
Facing the Mountainous Country, which was protected by five gods and defended by six top-tier combatants above the eighth rank, the invaders had gathered no fewer than six grand lords as well.
In terms of actual forces, the invaders held a clear advantage. They could not understand their opponents' resilience, nor their endless supply of weapons and logistics. The Home Country's industry had clearly been destroyed long ago, yet as the battle went on, those armed forces actually upgraded!
The various conventional light weapons were one thing, but heavy equipment like tanks was going too far. More absurdly, all kinds of automated machines began appearing as the battle continued. Could these humans, dressed in grass skirts with their upper bodies bare, fight desperately while upgrading their technology tree at the same time?
Everyone knew the answer, but what could they do about it?
The world had never been isolated. If they attacked one country or one side, they had to account for reinforcements from behind.
In fact, these grand lords had already made preparations. Even if the Eastern Kingdom directly sent its army into the war, they could still drag the battle into a stalemate.
"Just have the other grand lords drive over more cannon fodder. Low-level cannon fodder will