I have this so far.
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Dark Ritual Dummy
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Events
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Unit - A unit Starts the effect of an ability
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Conditions
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(Ability being cast) Equal to Chain Lightning
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Actions
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If (All Conditions are True) then do (Then Actions) else do (Else Actions)
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If - Conditions
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(Casting unit) Not equal to (Revivable Hero)
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Then - Actions
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Unit - Set mana of (Triggering unit) to ((Mana of (Triggering unit)) + (0.25 x (Life of (Target unit of ability being cast))))
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Unit - Kill (Target unit of ability being cast)
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Else - Actions
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Do nothing
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