Embitter
Supports Skills which can Damage Enemies with Hits, causing all sources of Damage Gained to instead be treated as Damage Gained as extra Cold for Supported Skills.
Good option that performs well in the right setup or as a levelling skill.
Gem Effects
If Supported Skills would gain extra Damage of any Type other than Cold, they gain extra Cold Damage instead
Requirements
Best Active Skills for Embitter
Active gems that benefit most from this support
How to Use Embitter Effectively
Practical tips you won't find on the tooltip
Elemental Specialization
Only benefits cold skills. Worthless for other elements — make sure your main skill matches.
Gem Level Priority
Support gem level often provides bigger DPS gains than you'd expect. +1 gem level gear is excellent value.
How to Get Embitter
Use an Uncut Support Gem to obtain Embitter. These drop from enemies or can be purchased from the gem vendor once unlocked through the campaign.