Really nice spell, as mentioned before some visual effects could improved, but other than that, I like it. I would rep you but can't for now ;)
Ps. I prefer GUI spells, and appreciate you making them.
Cheers.
Arthas Movement - the skill seems rather pointless, although its unique and the effect is cool. Maybe it should have a chance of freezing the opponent for few seconds is he steps on the trail?
Chilling Revenge - Good, but quite simple.
Ice Lance Description - Good and quite simple, I would...