[4.3.4] Scripts/Paladin: Templar's Verdict

Templar's Verdict (http://old.wowhead.com/spell=85256)

An instant weapon attack that causes a percentage of weapon damage.  Consumes all charges of Holy Power to increase damage dealt:

1 Holy Power: 30% Weapon Damage
2 Holy Power: 90% Weapon Damage
3 Holy Power: 225% Weapon Damage

although i'm not quite sure this is the right way to do it...