Will Thorns damage trigger the Area Damage effect?
If an enemy hits me and takes Thorns damage, does it have a chance to trigger the Area Damage on the creature that took the Thorns damage?
Will Thorns damage trigger the Area Damage effect?
If an enemy hits me and takes Thorns damage, does it have a chance to trigger the Area Damage on the creature that took the Thorns damage?
According to the extensive testing and research done for this article, it states that:
AD cannot be procced from thorns damage.
This article was also advertised on the official Diablo 3 website.
While I can't give you a definitive answer, from research and the internet it would appear that it does not. Look at this post on the D3 forums. To sum up: You can't proc from a proc.