Dual-Boosting... Class/Spec selections.

[Biomehanikka]

if u wanna go the "run into sm and aoe the hell out of everything" route, go demonology with the lock but do not use the felguard, they have gimp hp, their damage is nice but they cannot take a beating like the voidie can.

what i did when i used my lock to boost myself a while back was send voidie and make sure they hit the target at least once, then pick some mob that is far away but has mobs inbetween u and the target, have the voidie hit that one, then pick another have the voidie hit that one, etc etc till u got a good sized group. depending on spell damage and how many mobs there are and whether or not yer voidie is almost dead, make sure they are all relatively close, pick a target /cast seed of corruption /petattack(or w/ev it is to make a pet attack) and repeat. keep going until the first seed procs then hope to god u got enough seeds off before they come and rape the lock. it took me some practice and after 2 failures from pulling too many guys i got it into a science.

my pulls in sm for example in the armory consisted of 3 rows of mobs. when u go down the stairs of the armory theres one row of mobs, then u go thru an entry way into another row, then again into another row where theres a set of stairs to allow u to continue, i basically pulled that with the voidie got off 5 seeds before they aggroed to me from the first one proccing, then they all went off. great success, destroys yer mana pool, and its very risky, but i found no greater success even with my mage friend who boosted my shamans, he could do one row or two at a time. depending on gear and how much hp yer voidie has(mine had only 8.5k) u could pull more

on the other hand if u wanna kill things one-three guys at a time, hunter or destrolock or affliction would be just fine. my locks gear, while not like t6/t5 gets me 7k shadowbolts, thats plenty to single target some guy and then start on the next. but with affliction w/o UA u just cast Sl corruption CoA on everythign u see and keep casting it, the healing from SL +damage and fel armor should be more than enuff to keep u alive for most instance trash up until id guess ST?

[rasmuskl]

I go even go aff/demo hybrid and use a spec like:

http://www.wowhead.com/?talent=IVMriMckVdZfxczIrzc

for extra lol effect. Would loose instant howl of terror, but my dark pact / life tapping would be INSANE... Since the imp will get 100% of the mana I gain from life tap, the efficiency of life tap would actually be doubled. Then combined with improved imp for extra hp buff goodness (keep paladin (or other lowbie) alive longer).

Dark Pact + Mana Feed = Nasty.

[Naysayer]

I've been quest boosting my 64 shadowpriest the passed few days with my affliction lock 70 and I've found it to be a bad form of leveling tbqh. Tracking experience per hour with titan i find that my experience is reduced by around 50% even with only a 6 level difference. The slightly faster quest completing doesn't make up for the reduced experience per kill. I think I'll have to resort to kicking my lock out of the group and just tagging mobs with improved curse of shadows for the 13% bonus damage. Hope that works, I'll have to see when I get home.

I don't plan to boost within the group anymore unless it's for instances. As for boosting out of the group, a melee class like a ret pally, warrior, enhancer, rogue, ect will certainly still do great with a healer.

Also, dark pact + mana feed is really a bad way to go. You lose out on the really good deep Demo talents when they are considered the only reason to go that deep into demo in the first place.