Storm Weaver

Enemies Shocked or Frozen by you take 5% increased Elemental Damage
25% increased Cold Damage
25% increased Lightning Damage [1]

Storm Weaver is a notable passive skill that grants increased cold damage and lightning damage. It also increased elemental damage on enemies Shocked or Frozen by you.

Anointment

Blight anointment to unlock the passive:

Oil #1	Oil #2	Oil #3	Outcome
Sepia Oil	Crimson Oil	Black Oil	Storm Weaver	Enemies Shocked or Frozen by you take 5% increased Elemental Damage 25% increased Cold Damage 25% increased Lightning Damage

Version	Changes
3.16.0	(Undocumented): Now grants 25% increased Cold Damage (down from 30%), 25% increased Lightning Damage (down from 30%). No longer grants 20% increased Mana Regeneration Rate, or 20% increased Effect of Non-Damaging Ailments. Instead, it now grants Enemies Shocked or Frozen by you take 5% increased Elemental Damage.
3.11.0	(Undocumented) Now grants 30% increased Cold Damage (up from 25%), 30% increased Lightning Damage (up from 25%), and 20% increased Effect of Non-Damaging Ailments (up from 15%).
3.0.0	Now also grants 10% increased Chill Effect. Now also grants 10% increased Shock Effect.
1.3.0	Added to the Passive Skill Tree.