Try: Spirited arrival instead of Evasive purity, Unstoppable union instead of Fresh reinforcement. Quickening Zephyr instead of of stance.
Manage skills around your Fury uptime via:
Troll Ungent 4 1/2 seconds
Quickening Zephy 4 1/2 seconds
Lightning reflexes 4 1/2 seconds
Unmerged pet swap 9 seconds 20% crit chance and 7% damage (spirited arrival)
Merged pet swap 9 seconds 20% crit chance and 7% damage (spirited arrival)
Merge to mitigate extreme burts with Unstopable union+rugged growth.
Sustain with stability on both merged and unmerged pet swaps 6 seconds (shared anguish x 2) in total + 4 from Dolyak
Fury for days, stability and stealth when needed.