Your weapon leaves a frosty trail as it cuts through the air and strikes with a blow that inflicts winter's wrath.

At-Will   ✦     Arcane, Cold, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Intelligence vs. AC

Hit: 1[W] + Intelligence modifier cold damage. If the target starts its next turn adjacent to you, it takes a penalty to speed equal to your Constitution modifier until the end of its next turn.
Increase damage to 2[W] + Intelligence modifier at 21st level.

Published in Dragon Magazine 367, page(s) 56.