After recent changes to icy rays im glad the devs gave it a look and some love. however, the ability is still not benefiting from armor penetration. i just did some tests for about 30 minutes solid and confirmed for certain that icy rays on tab does not benefit from the ARP stat at all.
The problem is that this ability is already doing very good, possibly too much damage against low armor classes like wizards and rogues, while not doing any reasonable damage to GWFs or GFs. If this ability was made to benefit from Arp it will definitely be overpowered against cloth and leatherwearers.
my suggestion is to lower the over-all damage and let it benefit from ARP, this way it will remain about the same against cloth/leather wearers while getting a hugely needed boost against GWF and GFs
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