Does not give a skill gem level bonus.

This special ring "LEVINSTONE" should give +1 to all lightning skills.

The skill says that it refers to lightning, projectiles, and duration. Wherever possible, he writes that yes, the jewel has become a higher level, but the damage of the skill does not change.

skill Fulminating concoction




you can see that the damage calculation is not going on

I want to note that the level increase to the skills is going on, but the damage stats do not change, as it was 180 and it remains