+ to gem level is not applied to gems

I'm playing cold build and today I was found that my gems not benefit from +level weapons at all. All cold gems shows only +1 level from global skill and don't shows +2 from wand and +1 from focus. Details in spoiler

Update: I've put a +2 staff into other weapon slot and +levels starts to count (at least in UI). When I removed it - levels again went wild.

I can't read that but if they are interacting with other weapon slot fine it sounds like your skills are working on that weapon slot. You only benefit from plus levels when you are using the weapon with plus levels. You may be auto switching from incompatible weapons or such.

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dofkin40#3130 wrote:

You may be auto switching from incompatible weapons or such.

Yes, I understand that. I've doublechecked that, and with only +level to cold gems set equipped no +level is granted. Also I've doublechecked that skill uses exactly needed set.

Same here, +1 all phys does not apply to Skeleton archer

Similar issue here. I have wands and focuses that should be modifying gem skill level and spell damage, but don’t.

Example: I have a focus that adds 36% increased spell damage, a wand that grants rank 5 power siphon, and I also learned level 1 spark. The focus adds the spell damage to power siphon, but not to spark.

Another Example: I have another focus that adds 38% increased spell damage and “+1 to level of all spell skills.” It adds the additional spell damage only to power siphon, but none of my other spells—and it doesn’t modify any skill levels (including power siphon.)