The Lionheart Helm item was a top DPS helm for Warriors in World of Warcraft. It was added in Classic Vanilla WoW prior to the release of The Burning Crusade expansion.
World of Warcraft
Where is the Great Vault in Shadowlands?
The Great Vault is the weekly cache for 3 different types of content in World of Warcraft Shadowlands – Raids, Mythic+ Dungeons and PvP. It is equivalent to the weekly chest that was available back in Battle for Azeroth.