In the latest Alpha build, we've datamined an updated preview of the Paladin Tier Set appearances coming in Season 1 of The War Within including the missing helmet.
Season 1 Tier Sets will be available from the Nerub'ar Palace Raid featuring eight bosses, culminating in a showdown with Queen Ansurek, the Nerubian ruler who's leading her people down a dark path.
First Look at the Nerub'ar Palace Raid
Tier Set bonuses are still unavailable to be datamined, but stay tuned for updates when they become available.