Whenever this tower is hit by a friendly spell, the caster of that spell will be granted 2 experience and this tower will gain 20% bonus damage for 12 seconds. This effect stacks up to 15 times, but new stacks will not refresh the duration of olds ones.
Level Bonus: +0.5% damage +0.1 seconds duration
Extract Experience
Casts a buff on a creep. Towers that damage this creep have a 33% chance to extract 2 experience. Buff lasts 10 seconds or until 10 extractions occur.
Specials:
Channel Energy 
Extract Experience 
