Requirements:
1) First you have to be a mage... duh
2) Second you have to have the ability, blizzard
What you do is put the blizzard AOE target on the ground and use it but right befor it actually goes into affect you jump back or move to cancel it.
If you do it fast you will have blue glowing hands
(this may be old but i decided to put it up for anyone who is interested)