[Help] with spell Holy Nova

[Sabelion]

Hey guys I am making a spell called Holy Nova.. And I want it to be like the WoW holy nova, that damages all enemies and heals all alliance around you. I based the spell on Channel and made this trigger but It doesnt work

• Holy Nova
  • Events
    • Unit - A unit Finishes casting an ability
  • Conditions
    • (Ability being cast) Equal to Holy Nova
  • Actions
    • Set HolyNovaPlayer = (Owner of (Casting unit))
    • Set HolyNovaArea = (Region centered at (Position of (Casting unit)) with size (300.00, 300.00))
    • Unit Group - Pick every unit in (Units in HolyNovaArea) and do (If (((Picked player) is an enemy of HolyNovaPlayer) Equal to True) then do (Unit - Cause (Casting unit) to damage (Picked unit), dealing 100.00 damage of attack type Spells and damage type Normal) else do (Unit - Set life of (Picked unit) to ((Life of (Picked unit) + 100

Coud somebody please help me

 

[Shanghai]

man this should be posted in triggers forum.
hmm are u new?

 

[Sabelion]

Okey I will post in triggers thanks.
ehh I have had this account for about 8 months and been...hmm what to say active might be the word.. well I have been active for the I'd say last 1 and ½ month.