Aetherial Shield of Friendship

Requires attunment
+2 AC
This shield is hidden till activated. While dormant looks like a brilliant ring on your finger
Global Defensive: Once a day you can see into the future. If an ally would take damage damage you can intercept the full force of the attack regardless of location. You swap locations.
Omnipresent: You see auras and can see the health of your allies even through walls