Bukkit

What steps will reproduce the problem?
1. Use ExplodingArrow skill

What is the expected output? What do you see instead?
Constant configured damage each time it hits an entity.
No damage from arrow, or instakill (over 500 points damage)

What version of the product are you using?
Latest buld of Heroes and MultiSkills on Libigot 1.5.1 (latest)

Do you have an error log of what happened?
No errors provided, mechanics bug.

Please provide any additional information below.
With damage set to 1 and radius set to 1 - if u hit a block under the entity - gets instakill no matter what
With damage set to 1 and radius from 3 to 5 - if u hit an entity, no damage occurs, but if you hit a ground near the entity - instakill of anything in explosion radius.
Fix if possible, thanks.