Encases an enemy unit in ice, prohibiting movement and attack, while dealing [100/150/200] damage per second for 5 seconds. Targets affected by frostbite cannot be healed.
There's a lot going on in White Spire, sometimes it's easy to miss things. For instance, The Crystal Maiden of Icewrack used to just help her fellow man, but evidently nowadays she's actually freezing people which was news to me. - Carl, Last to Know
The afflicted unit can still cast spells.
Crystal Maiden 3 Star Effect
At three stars, all allies have their cooldowns reduced by 20% while Crystal Maiden is alive.
Passive: Every 2 seconds, Crystal Maiden grants [8/14/20] mana to all friendly units.
Find out if she's here for me or Turath. - Jull, Icewrack Bootlegger
Arcane Aura stacks if you have multiple Crystal Maiden's on the board.