You can burst on ANY mob. Wind is just better because they are weaker to fire. Since Exp is depended on Damage, meaning the more damage dealt the more exp you get then as a fire its easier to kill winds... so that's the reason why.
Picklessssssssssssssssssssss!~
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[Guide] Level Planner for Player and Pet Training - http://wlodb.com/topics/13527
[Guide] Ultimate Pet Page - http://wlodb.com/topics/15272
