Elemental focus and awakened elemental focus don't have the "elemental" tag

For the purposes of Venarius' Astrolabe, elemental focus and awakened elemental focus need the elemental tag, so it can properly receive the support gem level benefit for elemental support skill gems.

Commenting to bring more attention to this. it is really strange that it doesn't

Purity of Elements and Elemental Weakness also don't have one.

Awakened Elemental Focus, uses the word elemental 6 times on the Gems text. Yet it does not work. Needs "Elemental tag" like other users have said.

it doesn't have tag because it doesn't do any ele dmg, which is the requirement for ele tag in my understanding

I suggested the tag be added a year ago https://www.pathofexile.com/forum/view-thread/3571646 and there were others long before mine. I'm thinking the adding may conflict with the initial desing. Like if the devs want for some stats to affect strictly fire, cold and lightning gems instead of generally elemental related gems. To not name all the elements in every such stat, they together referred to as "elemental" (just for shorthanding). In this case we try to bloat this "elemental" gem category, which has perfect technical definition, with gems that are thematically elemental. In this particular case I don't see how that strict design makes more sense (and that's not related to player power).

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fruitypebbles415#6458 wrote:

it doesn't have tag because it doesn't do any ele dmg, which is the requirement for ele tag in my understanding

Support gems don't usually deal damage, but even skill gems can be elemental without this requirement, e.g. flammability has fire tag. Elemental tag doesn't exist as a separate gem tag. Elemental gems are those that have fire, cold or lightning tags. Elemental Focus has none of them (becasue it doesn't provide fire/cold/lightning specific stats), so it isn't considered an elemental (support) gem.