Very cool thanks for the info Shadow.
I was thinking about experimenting with a passive proc based character. One who wears only gear with 'when hit' procs, and lets himself get beat up on in order to spam procs. All the while spamming heals and AoE debuffs. I tried a similar build in Titan Quest and it was a fun experiment but not very strong. I'm guessing it won't be very strong here either, but worth a shot for fun!