Freeze is one of the strike spells. It immobilizes all enemies within the strike range. Enemies killed while frozen cause a corpse explosion that normally deals 100% of the monster's HP in damage to a random nearby enemy.
Shadows are not frozen, just seriously slowed down.
GemCraft Chapter 2[]
Freeze is unlocked by opening the Tome Chamber on field H4. The range is 7 tiles and increases by 3% for each 3 levels of the skill. The recharge time is 70 seconds and decreases by 1% per level of the skill. The freeze duration is between 10 and 16 seconds and can be boosted by talisman fragments.
Armor tearing gems have 150% effect on frozen enemies.
GemCraft: Frostborn Wrath[]
Freeze is unlocked by opening the Wizard Stash on field Y3 in Journey mode, or by starting or converting a game to Chilled mode. The range is 4 tiles and increases by 3% for each 5 levels of the skill. The recharge time is 30 seconds and decreases by 0.5% per level of the skill. The freeze duration is between 8 and 13 seconds and can be boosted by talisman fragments.
Corpse explosion starts at 100% of the monster's hit points in damage. Armor tearing gems have 150% effect on frozen enemies. Critical hits do +50% damage to frozen enemies. All these three stats can be boosted by talisman fragments.