* Icy Touch has been changed, Frost Fever now also deals periodic damage.
* Tundra Stalker now makes your spells and abilities deal 3/6/9/12/15% (up from 2/4/6/8/10%) more damage to targets infected with Frost Fever. Also increases your expertise by 1/2/3/4/5.
* Black Ice now increases Frost and Shadow damage by 2/4/6/8/10%. (Old - Frost Damage only, 4/8/12/16/20%)
* Improved Icy Touch now gives your Icy Touch 5/10/15% additional damage. (Down from 10/20/30%)
* Death Strike now heals the Death Knight for an amount based on the damage done and the number of his or her diseases on the target.
* Scourge Strike (Rank 5) now deals 45% of weapon damage (down from 55%) as shadow damage plus 357.19 (down from 436.56), total damage increased by 11% (up from 9%). Lower ranks have been modified as well.
* Summon Gargoyle now persists for 10 sec plus 1 sec per 3 runic power up to 1 min. (Old - 10 sec plus 1 sec per 8 runic power up to 30 sec.)
* Anti-Magic Zone now costs 1 Unholy rune.
* Reaping no longer affects Blood Boil and affects Pestilence instead.
* Impurity now increases the attack power bonus of your spells by 4/6/8/12/16/20%. (Down from 5/10/15/20/25%)
Terrible news for our frost tree. Unholy MIGHT look OK, but I don't count on it. Wondering how scourge strike might look.