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With the right resources, anyone can easily utilize this unlimited energy to launch a 51% attack on the Bitcoin network. The cost of launching such attack would be incredibly low. The energy emitted from this rock can be easily converted to electrical energy with the right resources.
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Apart from that "sacred rock" can't be an unlimited energy source, you missed a more important point here, imo. Check out this video,
Andreas Antonopoulos - 51% Bitcoin Attack , to see that a 51% attack isn't actually a threat to Bitcoin network. Watch that video, it's only a bit longer than 2 minutes, yet it can make make you much more knowledgeable in the field you are trying to write about.