The artifact that broke the seal (1)
With a loud explosion, a cave collapsed, and the natives hiding inside died of high temperature and suffocation.
Under the butcher's knife of the invader, the natives had no power to resist at all and were easily killed.
Since the failure of the War of Resistance, the situation of the indigenous people had become more and more difficult. The armies of various countries had been collectively annihilated, and the threatening weapons had also been destroyed.
The former metropolis had been turned into ruins, with residual deadly radiation to prevent people from approaching to search for supplies.
Almost overnight, the Aboriginals entered a primitive era, struggling to survive.
The intruders were doing this to render the Aboriginals powerless to resist, so as not to affect the mining operation.
As for the consequences of doing so, whether or not it would destroy the invaded planet, there was no need to consider it too much.