Any way to improve in cold DOT?

Vortex

3.21 - Cold Dot: From Zero to Hero - Elementalist / Occultist / Trickster

Creeping Frost

HC Fire Trap Elementalist guidance

Fire Trap

Fire trap elementalist - deathless Uber shaper

Fire Trap

my self built Lightning tendrils hydosphere elementalist (4 mil - 5 mil dps) ( no uniques )

Lightning Tendrils

PoE 3.21 LEAGUE STARTER Death Aura Occultist MAGIC FIND build GUIDE! Path of Exile - Crucible league

Portal

TPB's Cold DoT Elementalist + Maxroll Article (Published WED)

Creeping Frost

Jungroan's Cold DoT Trickster

Vortex

POE Ruthless With Gold: What I'll Be Playing - Bane Occultist - Path of Exile

Bane

3.20 Ignite Infernal Blow Elementalist

Infernal Blow