Passive Skill Tree and Ascendancies for Cold Affinity Builds
When creating a Cold Affinity build in Path of Exile 2, you will want to Path of Exile 2 Currency focus on cold damage passives, freeze chance, chill duration, and critical strike chance. Here are some recommendations:

Key Passive Nodes to Look For:
Chill Duration: Increase the duration of chill effects on enemies.

Cold Damage: Boost your cold damage for all skills.

Freeze Chance: Increase your chance to freeze enemies with cold-based attacks.

Critical Strike: Cold builds often synergize well with critical strike chance and critical damage, so these nodes are important.

Damage Over Time: Enhance your DoT damage if you are running skills like Vortex or Ice Spear.

Ascendancies for Cold Builds:
Elementalist: Focuses on elemental damage and frost effects, such as applying chill and freeze. Perfect for cold builds.

Occultist: If you want a hybrid cold damage and poison/chaos damage build, Occultist provides damage over time buffs and elemental resistances.

Assassin: Best if you are focusing on Critical Strike builds for freeze and POE 2 Orbs for sale cold-based critical hits.