After the ground shook twice, a massive ball of blazing fire burst from beneath the surface and soared into the sky, forming a mushroom cloud.
Once the mushroom cloud rose into the air, the ground began shaking violently again. Seven or eight smaller mushroom clouds emerged one after another, a terrifying sight. The intense tremors were strongly felt even a hundred kilometers away.
Feng Jun believed that the Mairui people's losses this time would be anything but minor. The research institute alone had cost far more than that ship, not to mention all the equipment, materials, and research results. More than half of the outer defensive forces had also been lost.
But the most crucial loss was the researchers themselves. They were the true wealth. People generally said that sailors were among the more difficult military personnel to train, but how long did it take to train a qualified researcher? Not to mention elites among elites.
Yet Mairui Country's response was a casual announcement: a certain research institute had caught fire, and methane gas had exploded.
What nobody knew was that the Mairui people immediately began tracing the matter backward.
The Mairui people very much wanted to cause trouble for the Allure Sect Branch Academy, but unfortunately, that place was on Lu'er Nation's territory.
It would not be easy to make the Lu'er people deal with the Daoist Temple. First, the Lu'er people were quite arrogant by nature. Second, Zhang Dongyuan had been active locally for quite some time, so ordinary people truly found it difficult to make things hard for this religious venue.
Even more outrageously, Mairui Country had barely suffered its incident when the Allure Sect Branch Academy hung up another Yin-Yang Fish.
The two dots of the Yin-Yang Fish resembled one black and one white eye, radiating