I've recently come up with an idea for a limitation; "Cannot Be Increased With Experience", which means an ability that simply can't improved by adding experience points to it. This could be applied to some of a character's inherent abilities, for example, 'powers' that all members of a particular race possess.
The trouble I'm having deciding how much this limitation should be worth.
I suppose the value might depend on what the limitation is applied to. It might be worth -1/4, sort of an inverse form of Inherent. It could also be an interesting limitation for other powers in general, or a power framework, such as a multipower with a reserve that can't be increased, but new slots could be purchased, which should be a fairly hefty limitation, IMO.
Thoughts, anyone?