Shadow talents:
Mind Breaking: Reduces the cast time of mind control to 1,5s, increases range to 30yd and always allows you to use ability's of the enemy player or NPC. (against players you would gain the same ability's as those in Old Kingdom)
Dot Splash: Spreads all of your dots to enemies within 10yd range. 30 seconds cooldown. (pestilence copy)
Improved Vampiric Embrace: This ability is now a passive aura which converts 1% of the damage done by you to the whole raid. (not only party)
Improved Shadowfiend: Reduces the cooldown on this ability by 4 minutes (down to 1) and makes it work like the snowbolds on Gormok. (it now got a interrupt ability on 6 sec cd and also sits on the back of the enemy)
Improved Devouring Plague: When this dots final tick is made, a cloud is dropped on the ground causing [insert balanced number at 85] each second. Lasts 24 seconds.
Focused Mind: when any of your shadow spells are interrupted (pvp use primarily) the interrupter takes [insert balanced number at 85] damage.
Shadow Power: Increases your damage done by 30% for 15 sec. 3 minutes cooldown.
Mind Melt: You infect the enemy's mind with dark presence, decreasing the damage output and movement speed by 40%. 3 minutes cooldown and 10 seconds duration.
Misery: You put the enemy in misery causing [balanced lvl85 dmg] and heals 100% of the damage done to friendly players within 8 yd of the enemy. (coh mechanic to decide who to heal) 1 minute cooldown and 10 seconds duration.
Veiled Shadows: Puts the enemy into a different realm where he is trapped until he defeats his nightmares (himself with like 12k hp) or the duration of the debuff (red-undispellable) runs out after 8 seconds. While the enemy is trapped he may only see his teammates. 5 minute cooldown.
Twisted Faith: When you die, you are copied into a shadow clone. Your shdow clone will have 70% less of all attributes (intellect, health, everything). Lasts 30 seconds or until you are killed. 10 minute cooldown.
Darkness: Your mind blast leaves a dot on the enemy causing 10% of the damage over 5 seconds. Anti-vanish (and I wouldn't be all too surprised if ferals will gain a similar ability).
Improved Psychic Scream: Increases the haste of all friendly players within the same range by 20% for 10 seconds.
Shadow Weaving: This ability no longer increases damage done by a certain %, instead it stacks up to 30 times. (see next)
Shadow Grip: Grips all enemies within 30 yd, bringing them 1-30 yd closer to you. Also causes [1xbalanced number-30xbalanced number] to those enemies. 45 seconds cooldown.
Shadow Surf: This ability works like levitate, just that you are 10 yd above the ground and does not break from damage. When levitated your movement speed is increased by 50% and damage increased by 10%. 15 seconds duration. 3 minutes cooldown.
Shadow Word: Death: Damage increased by 50 % from this ability when enemies are below 30 % hp.
Hope Ender: A targeted aoe ability which grips the enemies within the aoe towards the center of the aoe circle (with circle I mean like mass dispel, blizzard, shadowfury hurricane etc.). All enemies within the range gets 50% movement speed and if they haven't moved out of the circle within 15 seconds they explode causing aoe damage to their friends. 5 minute cooldown, 20 yd range and 10 yd area of the circle.
Dark Guardian: A dark presence follows you around for 5 seconds. Like power word shield but like 3x stronger. 1 minute cooldown.
Blind Swarm: Instantly opens a portal from where loads of shadowy creatures appear attacking anything that moves(not friendly players). 15 minutes cooldown.
Shadow Affinity: Splashes your threat equally out on all players on the enemies threat list. 3 minute cooldown.
Mind Crash: Sends a strong psychic vibe in form of a shadow crash towards the enemy (slow missile speed) causing [insert balanced number at 85]. 1 minute cooldown.
Restless Shadows: Creates 3 copies of the enemy player dealing damage over 15 seconds to the enemy. The Shadows may not be attacked. 5 minutes cooldown.
As you may have noticed I didn't put all too much thought into the balancing issues which I hope the developers can sort out.
Also, I do not by any means hope that they introduce ALL of these abilities to the game as it would end up being overcomplicated and in some cases even more homogenized than it already is.