Intimidating shout glyph
All of the other spec-specific traits' effects is up enough during active tanking time to justify taking this trait.
Just know that, in certain situations, Avatar may line up in a way where it does next to nothing for survivability, in which case you would have been better off picking a different trait.
For more information about how the new Essence system introduced in Patch 8.2 affects you, please refer to our Protection Warrior essence page.
If you are looking for information on Heart of Azeroth Essences, see the Essences page.
Consistency of survivability is extremely important for tanks.
In other words, you are always going to pick a spec-specific trait in this ring.
The Outer Ring will always have one spec-specific trait that you can choose.
This is a significant increase to Demoralizing Shout uptime and therefore survivability.
Stacking this trait only further increases Thunder Clap damage.
This allows Azerite traits to activate on the pieces of gear you will earn while leveling and at max-level.
If you want to read more about this, you can do so by checking our Heart of Azeroth guide.
If you are in a situation where your health rarely drops below 50%, another trait should be picked.