Leveling up PCs like Rooms
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Rooms can re-spawn just like PCs can. They also have the re-spawn cooldown (i.e. can't respawn in the same room for 3 day). But Rooms then also have to be built back up from scratch by harvesting energy.
PCs have a cooldown before re-spawn, but they can be immediately(?) leveled up using old Power.
Is there a mechanic that might reasonably stop the immediate re-spawn of a super creep in the same way I can't move an RCL 8 room, or is it only the re-spawn cooldown?