[brianeyci]

Oh, the "power ruins" would be nicely put into a Category called "persistent ruins".

For example, you would get a special weapon that could skip through armor and shields, but that weapon would only continue to work and you could only continue to build it if the ruin was under your control. And various other things I can think of that would create more strategic reasons to own a ruin planet. For the idea to work though, all other empires would have to be aware of the ruin planet every turn it was "used".

Brian