Last time the ancient ones came to Earth they told the rulers to make the world peoples into a harmonic stage without the killing for religion and resources and the whole planet being on the same page in harmony and the rulers, who coin themselves as the elite, have for millennia attempted to force the situation, like trying to hold water by grabbing it with your fist. Now they know the elder race are coming back and they have failed miserably so their brilliant plan is to kill as many of the people as possible before the return and try to deceive them.

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