Defensive Aspect Thoughts?

Curious what the community thinks about Defensive Aspect of Cyclonic Force over Might or Vigorous in the werewolf tornado build. It is obviously 10% and 5% less respectively. However, it would spike up to 30% at times, now cover the physical damage, and apply to party members. Seemed like viable if not necessarily the best of the 3.

My druid only have two defensive aspects. Damage reduction while werewolf and cyclone armor aspect. Can do Nightmare dungeon 70. Grizzly Rage does do most of the heavy lefting. And spamming Bloody Howl to regan health is a no brainer. Hurricane 20% damage output reduction bonus is overlooked most of the time.