I would divide them into: activated, passive standard + class-based, passive uniquely-unstable (random), and finally, passive uniquely-stable. All kinds of immunities would fall into one of these groups accordingly. This makes it a bit simpler.
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I would divide them into: activated, passive standard + class-based, passive uniquely-unstable (random), and finally, passive uniquely-stable. All kinds of immunities would fall into one of these groups accordingly. This makes it a bit simpler.