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Comment by 141104

Some quick and dirty calculations:
Assume you have 10K maximum mana
Assume constant 2.5 second shadowbolt spam (raids, and the like)
Over the course of 100 seconds, you can cast 40 times (ignoring lag, spell haste, human error, etc)
Each cast has a 30% chance to proc Soul Leech and Improved Soul Leech
That means, while spamming, you have about 12 Soul Leeches per 100 seconds
If each Improved Soul Leech gives 200 mana (10K is your assumed max), you end up gaining 2400 mana over this 100 second period. This breaks down to 24 mana per second or 120 MP5

Edit: Faster cast times will give you more; 2.25 second Incinerate spam gives about 133.33 MP5

Comment by 101291

Arcane Concentration
10% chance to a get a free cast = 5 points
1 point = 2% mana.

Improved Soul Leech
30% chance to get 2% mana = 2 points
1 point = .6%

Thats some horrible math.

Arcane concentration gives you approximately 2% of your SPELL COST back per point every cast
Soul Leech gives you approximately 0.6% of your TOTAL MANA back per point every cast

Unless you only have enough mana to cast 3 spells before you go OOM, soul leech is vastly more efficient per point

Comment by veno3

In 3.1.0, this talent is planned to grant Replenishment.

# Improved Soul Leech – this talent now provides Replenishment (similar to shadow priests)

http://forums.worldofwarcraft.com/thread.html?topicId=14910422662&sid=1

Comment by 319936

This spell with give the Replenishment buff.

This the list of spells or talents that will trigger the Replenishment buff(Notice that they do NOT stack):

Priest(Shadow): Vampiric Touch.
Mage(Frost): Enduring Winter.
Warlock(Destruction): Improved Soul Leech.
Hunter(Survival): Hunting Party.
Paladin(Retribution): Judgements of the Wise.

Comment by GladiatorDude

Wow. This talent was a bit iffy before, with only the 2% mana regeneration on a Soul Leech proc, but now with Spirit regeneration being reduced in 3.1, the addition of Replenishment to this talent makes Warlocks enjoy the talent points spent in this much more than before.

Comment by Canniballistic

The problem that people dont seem to be lableing or understanding is that this talent's buff doesnt stack, so you will only get the full effect at the end of the 15 second buff.

Shadow Bolt costs 23% of base mana (before lvl 69 where it costs 17%)
This talent restores only 5.75% max mana on youre 30% proc over 15 seconds (2% instantly and the .25 regen over 15 seconds)
You would need to have around 5x you're base mana in order for this tallent to prove usefull (considering the proc chance and assuming you throw a few dots around the room)

Simply this tallent will bearly help you at all untill you're heavily geared and its far better to have Improved Drain Soul (15% max mana instantly) then just having this alone, expecialy at lower levels, and faster cast times will not help due to the 15 second unstackable buff.

Hope this helps some people out. =)

Comment by 256454

__________.-~*~-.__________
----------Some basic info------------
¯¯¯¯¯¯¯¯¯¯*~-.-~*¯¯¯¯¯¯¯¯¯¯

This effect will trigger replenishment on allies up to 80-100yd radius away (tested), and even out of LoS (tested). This means that it won't spread properly for some large-scale boss fights, but should otherwise always work.
This is identical to the replenishment effect brought by other classes, such as ret pallies, and only the newest copy of replenishment will take effect (they don't stack).
Target dummy rotation while hit-capped gives around 85%-90% uptime from just the warlock alone (will be lower in real fights beause of running and spell variety, but then you hopefully have other people proc'ing it too).

Comment by 149655

During our first successful Hodir fight, ISL gave me back 10.000 mana.

And as pointed above, ALL players get between 10 and 20k mana from replenishment - 18k myself. So very helpful buff for raiding.

Comment by 361839

AGAINST PALLYS

bad side: its only a 30% proc chance

good side: pallys judgement of the wise only procs with judgements (8 sec CD)

so if they miss a judge thats 16 sec of not replenishment, against a lock whose spells are faster so we can cast at least 7 spells in that 16 secs

im bad with mats... but 30% proc without CD against a 100% proc 8 sec CD

now, we are talking about the party replenishment effect, not the self replenishment

Links

Improved Soul Leech

Improved Soul Leech

Talent

Your Soul Leech effect also restores mana to you and your summoned demon equal to 2% of maximum mana, and has a 100% chance to grant up to 10 party or raid members mana regeneration equal to 1% of maximum mana per 5 sec. Lasts for 15 sec.

Spell Details

Duration

n/a

School

Physical

Mechanic

n/a

Dispel type

n/a

GCD category

n/a

Cost

None

Range

0 yards (Self)

Cast time

Instant

Cooldown

n/a

GCD

0 seconds

Effect #1

Apply Aura: Dummy
Value: 2
PVP Multiplier: 1
Server-side script
Affected Spells:

	Shadow Bolt	Shadow Bolt	Shadow Bolt
	Shadow Bolt	Shadow Bolt	Searing Pain
	Soul Fire	Shadow Bolt	Shadow Bolt
	Shadow Bolt	Shadow Bolt	Searing Pain
	Searing Pain	Searing Pain	Searing Pain
	Searing Pain	Soul Fire	Shadow Bolt
Show 25 More
	Shadow Bolt	Searing Pain	Soul Fire
	Incinerate	Searing Pain	Soul Fire
	Incinerate	Shadow Bolt	Shadow Bolt
	Searing Pain	Searing Pain	Soul Fire
	Soul Fire	Incinerate	Incinerate
	Shadowburn	Shadowburn	Shadowburn
	Shadowburn	Shadowburn	Shadowburn
	Shadowburn	Shadowburn	Shadowburn
	Shadowburn

Effect #2

Apply Aura: Dummy
Value: 100
PVP Multiplier: 1
Server-side script

Flags

Is Ability
Passive spell
Aura is hidden
Cast time is hidden

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Raid Buffs and Debuffs in Wrath of the Lich King Classic

Improved Soul Leech

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