Iron Will

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RickyDMMontoya wrote:

The identifier system is there for a reason.

Yes. That reason has nothing to do with indicating which support gems affect which skill gems. That's not and never has been the point of the tags. They're not suited to that purpose and adapting them to it would make them unwieldy and poorly suited to their actual purpose, which is to identify logical categories of gems to which we can apply bonuses (+1 level to spell gems, increased crit with fire skills, etc).

Which is (part of) why the suggestions you make in your post would be a bad idea. Spells that summon minions (to take one example) are spells, will trigger anything that cares about spells being cast, and labelling them as not spells will do nothing for clarity.