WoW:API GetSpellInfo

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Get information about a spell.

name, rank, icon, cost, isFunnel, powerType, castTime, minRange, maxRange 
= GetSpellInfo(spellId or spellName or spellLink)

Arguments

(spellId or spellName or spellLink

spellId

Integer - The global spell number, found on wowhead or through COMBAT_LOG_EVENT.

spellName

String - The Name of the spell.

spellLink

String - The formatted link to the spell [Note: this appears to be broken, see Discussion page]

Returns

name, rank, icon, cost, isFunnel, powerType, castTime, minRange, maxRange

name

String - The name of the spell.

rank

String - The rank of the spell. Returns as an empty string if there is no rank.

icon

String - The interface path to the icon texture.

cost

Number - The cost of the spell in Mana/Rage/Energy/Focus.

isFunnel

Boolean - Returns true if the spell is a health funnel effect. Returns false 99% of the time.

powerType

Number - The power type required:

• -2 for Health
• 0 for Mana
• 1 for Rage
• 2 for Focus (hunter pets)
• 3 for Energy
• 4 for Happiness
• 5 for Rune
• 6 for Runic Power

castTime

Number - The cast time, in milliseconds.

minRange

Number - The minimum range of the spell.

maxRange

Number - The maximum range of the spell.

Details

Arguments

Using spellId as the argument will always return the info. Using spellName or spellLink will only return the info if the spell is in your spellbook. Otherwise it will return nil.

isFunnel

Currently the only spells isFunnel returns true on are a warlock's Health Funnel spells, and a few other miscellaneous NPC spells.

PowerType

It is unknown at this point, but unlikely, that Happyness (PowerType 4) is passed as a spell cost.