User blog comment:Girou angelsinzz/Anasthasia, the Snow Queen/@comment-24538781-20140216144759

The passive is quite good.

Imagine she have 500 AP it deals true damage of extra 20% of true damage for second cast of Q.

Damage dealt = 240 + 500 x 0.55 Magic Damage + 240 + 500 x 0.55 True Damage = 515 Magic Damage + 103 True Damage. The Magic Damage dealt would not be so high with some True Damage.

However, 470 (+86) basic health may be too high for mage RANGED champion = =...