Steadfast Hero is an Rewards for the Worthy Set. Set pieces are also awarded via "Rewards for the Worthy" mails by participating in PvP. Pieces are Aldmeri Dominion, Daggerfall Covenant, or Ebonheart Pact Style in Heavy Armor.
2 items: Adds 34-1487 Armor
3 items: Adds 34-1487 Armor
4 items: Adds 28-1206 Maximum Health
5 items: When you cleanse a negative effect from yourself or an ally, gain Major Protection for 10 seconds, reducing your damage taken by 10%. This effect can occur once every 12 seconds.
The set consists of heavy armor and jewelry in all slots, as well as weapons and shields of all types.