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Jun 17, 2019  Okay, so you’re about to play WoW Classic and you want to know what the stuff on your gear means. Not only does WoW Classic have stats that no longer exist in the game, it doesn’t have many that debuted later. But the basic idea of primary and secondary attributes that was crucial to itemization in the original game is retained in the modern game, and should be comprehensible to players. Jun 28, 2016  Sorry to start yet another WoW thread, but I’ve tried finding this info elsewhere and I can’t find anything useful. Maybe one of the WoW hardcore here can help me out. What, exactly, does an item that says “+3 shadow spell damage” do for me? Or one that say “+9 healing spells”? I mean obviously those are boosts to my spells.

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(The following has been converted from an old wiki page.)
You may have seen items or effects with bonuses like the following:

'Increases healing done by spells and effects by up to 42.'
'Increases damage and healing done by spells and effects by up to 42.'
'Increases Fire damage done by spells and effects by up to 42.'

The common misconception surrounding these bonuses is that the item grants a random bonus between 1 and 42 for each spell cast. In actuality, each spell gets a fixed bonus that is determined by the spell type, casting time, target and/or way the spell is applied.
To determine how much +Healing, +Damage/Healing and +Damage you have, simply add together the totals from each item: these bonuses stack additively. If you had two items that each give +20 Nature damage, one that gives +10 damage/healing, and one that gives +10 healing, your healing spells would have an advertised benefit of 20 and your nature-damage spells would have an advertised benefit of 30, and all your other damage spells would have an advertised benefit of 10.
Formulas for Different Spell Types
The calculations below end in a decimal result that should be less than 1. To get the % multiply that decimal by 100.
Different types of spells have their damage and healing bonuses calculated differently. There are three base types of spells: standard, over time or a combination. Area of Effect and Channeling spells also take different bonuses. After the proper bonus is calculated, penalties are calculated to achieve the final damage.
Standard Spells
Standard spells are spells that apply all the damage or healing at one time. To determine the plus Healing or Damage benefit for these spells the following formula is used:

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(Cast Time of Spell) / 3.5

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3.5+ sec = 100%
3.0 sec = 85.71%
2.5 sec = 71.43%
2.0 sec = 57.14%
1.5- sec = 42.86%
Instant = 42.86%

Spells with a cast time longer than 3.5 seconds are capped at 100%. The casting time used in the calculation should be the base cast time before effects from talents or gear are applied. Note that the tooltip in game includes those effects; refer to a database to find the base cast times of all spells.
Examples of such spells include: Healing Touch (Druid), Frostbolt (Mage), Greater Heal (Priest), Lightning Bolt (Shaman), Shadow Bolt (Warlock)
Over Time Spell
Over Time spells apply healing or damage over a period of time in ticks. Ticks can vary from one second apart to three seconds apart. Some spells specify the length of each tick and others require testing to determine.
If a spell has less than five ticks, each tick receives one-fifth of the bonus per tick. If an over time spell has 5 or more ticks, the spell receives full benefit, divided equally between the number of ticks.

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(Number of ticks in Spell / 5) = Benefit

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1 tick = 20%
2 ticks = 40%
3 ticks = 60%
4 ticks = 80%
5+ ticks = 100% (divided equally between the number of ticks.)

Note that the cap for this calculation is 1x (100%), more ticks than five will not give you over 100% benefit. +Healing and +Damage benefit for the spell is divided equally to each tick. If talents or gear add more ticks, count the extra tick in your calculations as it may change the benefit.
Examples of these spells include: Rejuvenation (Druid), Renew (Priest), Corruption (Warlock)
Combination - Standard and Over Time Spell
Why are these treated differently? Usually in all other spells discussed the damage or healing is all applied in one way. It may be delivered all at one time or split up into equal parts and distributed over time. With these spells the damage or healing is not divided equally and is applied in two or more different methods.
That Standard portion of the spell does not receive the full benefit because some of the benefit is moved to Over Time portion. So first you need to know what benefit goes to each section of the spell.
Calculation for determining the Portion to the Over Time part of the spell:

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(Number of ticks / 5) / ((Number of ticks / 5) + (Cast Time of Spell / 3.5)) = Portion to Over Time

So to get the Amount to the Regular part of the spell:

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1 - Portion to Over Time = Portion to Standard

Now remember the rules for Standard and Over Time spells still apply. So we have to now consider the cast time of the spell for the Regular part and the number of ticks for the Over Time part.

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(Cast Time of Spell / 3.5) * Portion to Standard = Benefit Regular part of the spell

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(Number of ticks / 5) * Portion to Over Time = Benefit Over Time part of the spell

See the notes in the Standard and Over Time spell formula sections to note any definition of terms or explanations on how to determine the Cast Time of Spell or Number of Ticks.

Does Healing Affect Spell Dmg Wow Classic Gameplay

Examples of these spells include: Moonfire (Druid), Immolate (Warlock)
Channeled Spell
Channeled spells have their benefit distributed evenly over the time the effect lasts, getting 100% benefit for the whole spell (not per tick). The duration of the spell cast time is used as with a standard spell to calculate the total benefit, then divided equally between the number of ticks.

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Cast Time of Spell / 3.5 = Benefit

Examples of these spells include: Hurricane (Druid), Arcane Missiles (Mage), Mind Flay (Priest), Hellfire (Warlock)
Area of Effect Spell
Area of Effect spells receive only 1/3 or 33.3% of the benefit. The cast time is used as with a standard spell to calculate the total benefit, then divided by 3.

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(Cast Time of Spell / 3.5) / 3 = Benefit

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3.5+ sec = 33.33%
3.0 sec = 28.57%
2.5 sec = 23.81%
2.0 sec = 19.05%
1.5 sec = 14.29%
Instant = 14.29%

Examples of these spells include: Tranquility (Druid), Arcane Explosion (Mage), Prayer of Healing (Priest), Hellfire (Warlock)
Note that some spells fall under the rules for multiple spell types. Hurricane, Tranquility and Hellfire for example are all Area of Effect and Channeled. Prayer of Healing is both a Standard Spell as well as an Area of Effect spell.

Does Healing Affect Spell Dmg Wow Classic Release

Rules for Applying +Healing and +Damage

1. You calculate spell time using the base spell cast time BEFORE talents and gear reductions to the cast time. (Notice that your casting time in the in-game tool tip will subtract time based on your talents.)
2. The factor for the casting time is capped at both ends. For the purpose of these formulas, spells that take longer than 3.5 seconds are considered to have 3.5 sec, and spells faster than 1.5 sec are treated like they had 1.5 sec (this is the global cast cooldown).
3. The number of ticks for a spell is capped at 5 for the purposes of working the equation (but bonus is divided equally between the number of ticks).
4. Damage benefits are applied before any talents or buffs that may increase your damage by a flat percentile. Healing spells are opposite; all talents are added to the base first then healing benefits added. For example: A spell that normally deals 100 damage that receives a +10 plus damage bonus, and a 10% damage bonus from talents, would deal 121 damage. A spell that normally heals 100 damage, that receives a +10 plus heal bonus, and a 10% heal bonus from talents, would heal for 120.
5. Spell criticals are an extra 50% of the original calculated value of the spell after benefits. So if the spell would do 100 damage or healing normally then the critical would be 150.
6. Gear benefits are added to spells before critical hit modifications are made.

Penalty Rule
Spells learned before level 20
Many spells have multiple ranks. To avoid having players using these lower ranks to deal constant damage at a negligable mana cost, any spell with a level requirement lower than 20 has a large penalty applied. If the spell has a shorter cast time, this is also taken in to account. This level penalty can be worked out by taking off 3.75% for each level lower than level 20.

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(20 - Level Spell is Learned) * .0375 = Penalty

Additional effects
Spells with additional effects (like slow) get a 5% penalty to benefit. This penalty is applied before other penalties and to the base calculation for the spell. Example a standard spell that is also AOE with an additional slow effect would be calculated:

Does Healing Affect Spell Dmg Wow Classic Download

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((Cast Time of Spell / 3.5 ) - .05 Penalty for extra effect) / 3 = Benefit

Examples of these spells include: Entangling Roots (Druid), Mind Flay (Priest), Blast Wave (Mage), Frostbolt (Mage)
Spells that do Damage and Healing
Some spells, both damage the target and heal the caster. These spells have a 50% penalty to the bonus they receive, but damage gear increases both the damage and the healing of the spell equally. These spells receive no bonus from gear that only increases healing.
Examples of these spells include: Devouring Plague (Priest), Drain Life (Warlock)
Exceptions to the Rules

1. Pyroblast was changed in patch 1.9 to deal 100% of +spell damage on impact and 71.4% of +spell damage to it's DoT component.
2. Fireball has a small damage over time component, but is not considered a hybrid spell, so it receives only the Direct Damage bonus to its direct damage component. Spell damage gear never increases the DoT on fireball.
3. Curse of Doom receives a 100% coefficient.
4. Mind Flay receives around 45.7% of spell damage.

Additional notes

1. +Damage amount has no effect on chance to crit with spells.
2. +Healing does not apply to bandages or potions. Trinkets should no longer be affected.
3. Shaman totems receive benefit from +Damage.
4. Hunter Traps don't get any benefit from +spell damage.

This article is about spell critical strikes only. For physical critical strikes, see Critical strike.

Spell critical strike (often abbreviated as 'spell crit') is when a spell or magical effect (most damaging spells, healing spells, some damage over time effects) has an increased effect. To see your chance to critically strike with spells, open your character pane and view your spell stats. Mobs are unable to get critical strikes with spells.

Spell critical strike chance is gained from both critical strike rating and intellect, as well as various talents and abilities.

• 3Increasing spell crit chance
• 5Using spell crit effectively

Spell crit damage

The size of spell crits depends on the character's class and spec, as well as the spell cast:

• All healing crits heal for 200% of the normal amount
• All druid, mage, priest, shaman and warlock crits deal 200% normal damage
• Elemental shaman crits deal 250% normal damage through [Elemental Fury].

With damage over time, heal over time and area of effect spells, spell critical strike chance applies independently to each tick and each target.

Certain metagems, such as the [Chaotic Shadowspirit Diamond], increase spell critical strike damage beyond 200%.

Base spell crit chance

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The base chance to critically strike with spells is based on the Intellect attribute and a class specific constant.

Intellect per crit %				Class-specific constants
Class	Level 60	Level 70	Level 80		Level 85
Druid	60.98	80	166.16	648.91	1.85
Mage	69.88	80	166.16	648.91	0.91
Paladin	54.07	80	166.16	648.91	3.336
Priest	66.45	80	166.16	648.91	1.24
Shaman	57.16	80	166.16	648.91	2.2
Warlock	60.61	80	166.16	648.91	1.701

Increasing spell crit chance

Spell critical strikes have a generally low chance of occurring, however, you can increase your crit chance in certain ways:

• Talents (some classes)
• Potions (temporary)
• Buffs (temporary)
• Debuffs (temporary)

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Critical strike rating

The easiest method to increase the chance of a critical strike is to equip gear with the attribute 'Increases your critical strike rating by 'x'.' For some classes, critical strike rating is of less value. Unlike Intellect, critical strike rating increases the chance to get a critical strike equally for all classes.

Critical strike rating required for 1%

Level 60	Level 70	Level 80	Level 85	Level 90
14	22.0769	45.901	179.28	600

Formula

For a level 85 character:

Note:

• Talents that affect the crit chance of 'all spells' (e.g.: [Piercing Ice]), or talents that specifically affect spells of a certain school, directly add to the calculated 'Crit Chance %' on the character pane.
• Talents that only affect the spell crit chance of a specific spell are NOT included in the spell 'Crit Chance %' on the character pane.
• Mousing over the 'Intellect' value in your character pane will show you the Intellect portion of your spell 'Crit Chance' (eg: 'Increases Spell Critical Hit by x.xx%'). This works out to the '(INT/648.91)+ClassConstant' portion of the formula.

Using spell crit effectively

When evaluating the tradeoff between critical strike rating and other secondary stats, there are some things to consider:

• Some classes have abilities or talents which proc off of spell critical strikes, as do some items.
• Spell crit can lead to more unpredictable damage. As such, it can be powerful, but unreliable.
• In group PvE, a string of 'lucky' spell crits can pull aggro off the tank, possibly resulting in a dead caster.
• In PvP, a string of 'lucky' spell crits can take your opponents by surprise or simply overwhelm their defences, winning you the fight. Steady, predictable damage is easily anticipated and defended against; sudden spikes of damage are hard to anticipate and often impossible to defend against.

Spell hit or spell crit?

Without considering factors such as talents, a 1% increase in spell crit chance will result in a gain of 0.5% or 1% of a spell's base damage (depending on class/spec, see above), whereas a 1% increase in spell hit chance will always give a 1% increase of a spell's base damage. When dealing with 150% crits, this may make reaching the hit cap for your chosen area of play more valuable than increasing crit chance.

Numerous talents proc from crits (Ignite, [Divine Aegis], [Master of Elements]), while many more proc from certain spell hits regardless of crits. These talents can significantly increase the desirability of increasing your crit chance. It should also be remembered that hit affects other types of spell such as ccs ([Polymorph], [Hammer of Justice], [Psychic Scream]), which can often be even more critical than damage.

In general, increasing crit chance without reaching your hit cap will lead to more unpredictable effectiveness, in terms of damage, talent procs and even ccs. This can be handy for PvP, where sudden burst damage can surprise and overwhelm opponents, but can also cause crucial spells to miss at critical moments.

There is still debate whether spell casting is based on a one-roll system (like 'normal' melee) or not, although there is currently overwhelming evidence that it is a 'two-roll' system - hit rolled for first, followed by a roll for crit.^{[citation needed]}

Patch Changes

• Patch 6.0.2 (2014-10-14): Spell Crit %, Melee Crit %, and Ranged Crit % have been merged into a universal Crit %.
  
• Patch 5.0.4 (2012-08-28): All spells now have a base critical damage bonus of 100%, up from 50%.
  
• Patch 4.2.0 (2011-06-28): All healing spells now crit for 200% instead of 150%.
  
• Patch 4.0.1 (2010-10-12):
  • Damage over time effects and channels are now capable of critically striking (there are some exceptions to this, such as Ignite).
  • All mage and warlock spells now crit for 200% damage.
  • Balance druids, shadow priests and elemental shamans receive a specialization bonus allowing their spells to crit for 200% damage.
    
• Patch 3.0.2 (2008-10-14):
  • Spell Critical Strike Rating has been merged into Critical Strike Rating.
  • Channeled spells such as [Blizzard] are now capable of critically striking.
    
• Patch 2.0.1 (2006-12-05):Combat Rating System introduced. Items no longer increase spell critical strike chance by a fixed percentage.
  

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