If the whole mission was arranged by the Heavenly Enemy, then he certainly thought it through very carefully.
The Purple Crystal Jungle is remote, devoid of life and predators, and the upper space is suspected to connect to a magma layer that continuously heats the crystal pillars.
The newborn mechanical civilization can use a technology similar to molten salt heat storage to obtain cheap electricity for a long time, enough for them to grow up and climb the technology tree again.
(Copperplate engraved books are generated in the city's buildings, with a technological level equivalent to the era of Astronaut Will, including radio communications, chemical engineering, mechanical manufacturing, etc. With effort, they could build nuclear power plants and artificial satellites.)
The entire process may take ten to several dozen years, and after that, it will be up to them.
