Frozen Fist 7005since 11.9.1 14 changes removed in 14.13.1
3000g (0g base, 2100g sell)
Spellblade: After using an Ability, your next Attack is enhanced with additional damage and creates a frost field for 2.5s. Enemies that move across the field are Slowed. Your primary target is crippled, applying a 100% stronger slow on them and reducing their damage by 10% against you for 2.5s. (1.5s ).Mythic Passive: Grants all other Legendary items 50 Health, 5% Tenacity, and 5% Slow Resist.
Builds from: 
Iceborn Gauntlet
HealthArmorCooldownReductionSlowAbilityHaste
Click any two patches to compare; the current range is shaded.
− (0s cooldown)After using an Ability, your next Attack is enhanced with additional damage and creates a frost field for 2s. Enemies that move across the field are Slowed.
+ (0s)After using an Ability, your next Attack is enhanced with additional damage and creates a frost field for 2s. Enemies that move across the field are Slowed.
− (0s)After using an Ability, your next Attack is enhanced with additional damage and creates a frost field for 2s. Enemies that move across the field are Slowed.
+ After using an Ability, your next Attack is enhanced with additional damage and creates a frost field for 2s. Enemies that move across the field are Slowed.