From Darkness, Comes Light no longer affects Shadow Word: Pain.
Spectral Guise now causes you to be stealthed, not invisible. (Wording change?)
Mastery: Shadow Orb Power replaced with Mastery: Shadowy Recall - Gives your periodic shadow damage spells a x% chance to deal damage twice, each time they deal damage.
Devouring Plague *New* - Consumes all of the caster's Shadow Orbs to deal 2,099 Shadow damage per orb consumed and afflict the target with a disease that causes (1,049 + 50.0% of SP) Shadow damage every 1 for 2 sec per orb consumed. 15% of damage caused by the Devouring Plague heals the caster. 40 Yards Range. Instant. Costs 1 Shadow Orb.
Mind Surge (NNF) *New* - You have a 20% chance when you deal periodic damage with your Vampiric Touch to instantly reset the cooldown of your Mind Blast and cause its next cast within 12 sec to be instant.
Shadowy Apparitions *New* - When you deal periodic damage with your Shadow Word: Pain, you have a 12% chance to summon a shadow version of yourself which will slowly move towards a target which is afflicted by your Shadow Word: Pain. Once reaching the target, it will instantly deal 1,025 shadow damage. You can have up to 15 Shadowy Apparitions active at a time.
Mind Blast now has a 8 sec cooldown, up from 6 sec.
Vampiric Touch no longer regenerates health.