To let you further invest in Cold Damage Over Time, we've added a new kind of stat, Cold Damage over Time Multiplier. This can be found on new weapon, jewel and shaper mods on items, and on Cold clusters on the passive tree, as well as new notables on the Occultist. This multiplies all of your Cold Damage over Time, giving you another axis of investment. This will help the damage of this build compete with the damage growth of other hit or ailment based skills. All sources of Cold Damage over Time Multiplier add together, then multiply the cold damage over time you deal.
We're also giving Chaos Damage over Time the same treatment, adding non-ailment Chaos Damage over Time Multiplier to items, passives and the Occultist.