Spell Power Scaling

[Snack]

I have always been wondering how to figure the amount of damage increase your spell power does to your spells. Does it work like when your lvl 1 char has lets say 40 spell power, his spell's dmg is increased by 40? Or is there a math form to calculate this? And how does, if it even does, your spell power affection on your spell damage scale with your lvl?

Any help/clarification will be much apreciated

 

[Kirise]

While out of date, this will give you something to start with:
Spell power coefficient - WoWWiki - Your guide to the World of Warcraft

From what I'm reading of the blue posts in the Beta forum, details will somewhat change again in MoP with regards to the exact coefficients for spell power with given spells, but how the math generally works should remain the same.

 

[Snack]

Thank you but I already found what I was looking for.
But if you could check this math and tell me if its ok, it would be great

Lets say a lvl 1 shaman casts Lightning Bolt (1.5sec cast, ~14 dmg).
The spell coeffecints will be C = 1.5 / 3.5 = 0.4285, meaning Lightning Bolt will be affected by about 43% of your spell power.
If you have 40 spell power at lvl 1, Lightning Bolt will hit for 40 * 0.4 + 13 = 30.

Am I correct?

 

[Kirise]

Thank you but I already found what I was looking for.
But if you could check this math and tell me if its ok, it would be great

Lets say a lvl 1 shaman casts Lightning Bolt (1.5sec cast, ~14 dmg).
The spell coeffecints will be C = 1.5 / 3.5 = 0.4285, meaning Lightning Bolt will be affected by about 43% of your spell power.
If you have 40 spell power at lvl 1, Lightning Bolt will hit for 40 * 0.4 + 13 = 30.

Am I correct?

I haven't seen that coefficient equation before. To my knowledge, spell power coefficients have nothing to do with casting time.

For lightning bolt at level 1, the damage should simply be 14 + (40 * 0.743) = ~44 damage per cast.

 

[Arkant]

I haven't seen that coefficient equation before. To my knowledge, spell power coefficients have nothing to do with casting time.

For lightning bolt at level 1, the damage should simply be 14 + (40 * 0.743) = ~44 damage per cast.

Spell coefficients used to be in relation to to casting time, to prevent fast casts from outscaling slow casts eventually. However there is no formula like the mentioned "C = 1.5 / 3.5" anymore because Blizzard changed the coefficients several times for balance sake, you'll have to test it yourself to be sure.

 

[R Prime]

Thank you but I already found what I was looking for.
But if you could check this math and tell me if its ok, it would be great

Lets say a lvl 1 shaman casts Lightning Bolt (1.5sec cast, ~14 dmg).
The spell coeffecints will be C = 1.5 / 3.5 = 0.4285, meaning Lightning Bolt will be affected by about 43% of your spell power.
If you have 40 spell power at lvl 1, Lightning Bolt will hit for 40 * 0.4 + 13 = 30.

Am I correct?

Snack - this was always my understanding (sp is applied 100% based on 3.5 sec casting time) but honestly the information may be dated as I haven't played retail for a year or so.

 

[Snack]

Well I have tested it now, and with 38SP and a casting time of 1.1sec I hit for 33, so I guess Bwappo's math should make more sense

 

[Worgslarg]

It looks to in mop be much diffrent, each spell has its own coefficent

EG, starsurg sacles with 201% of SP+X
but starfire is 154% SP+Y
And y/x scales to lvl

 

[Arkant]

It looks to in mop be much diffrent, each spell has its own coefficent

EG, starsurg sacles with 201% of SP+X
but starfire is 154% SP+Y
And y/x scales to lvl

Spells already have their own coefficients.

 

[Kithkaid]

Spell coefficients used to be in relation to to casting time, to prevent fast casts from outscaling slow casts eventually. However there is no formula like the mentioned "C = 1.5 / 3.5" anymore because Blizzard changed the coefficients several times for balance sake, you'll have to test it yourself to be sure.

I believe that forumla is still used as a baseline, and then each spell gets its coefficient tweaked for balance issues. So in the end it's as you said, most all spells have their own coefficient.