Cara,

I think the arena gem proc still have big issues:
(1) Are the three proc types associated to the character class or to the gem class. If it is associated to the gem class, a player can have all proc which should not be intened. Too powerful for adding just 3 gems.
(2) Why the proc chance is the same 3.5% for both normal and grand gem.
(3) Can the proc chance be computed on normal attack or skill only and not on DoT damage? This makes more fairness to all class otherwise sorcerers will get far more benefit from the gem proc.