Spells: Song of Twilight duration is incorrect

[Treats]

Song of Twilight is 3 ticks in the spdat, no idea.

Song of Twilight
Stun
Decrease Magic Resist from 14 (L53) to 16 (L60)


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Classes: Brd (L53)

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Range to Target: 100 feet
Pushes Target Back: 4 feet

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Song requires a Flute

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Skill: Wind Instruments
Allowable Targets: All

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Resistance Check: Magic

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Spell Duration: 3 ticks (18 seconds)
Duration Formula: 7
Casting Time: 3.0 seconds

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When you cast: You play the music of twilight.
Spell cast on you: You hear the music of twilight.
Spell cast on someone: Soandso stumbles toward you.