Helm of Shadow Guardian
Can be acquired by upgrading Helm of Lord of Storms. For upgrade, Spark of Abyss are required that can be obtained in combats against Shaab's monsters or granted for victories in the Vortex of Trapped Souls and for completing Recurring Quests in the Vortex.
This is a magically enhanced item that transforms into Helm of Lord of Storms once its magical properties expire.
Upgrade available upon earning 7000 Defender of Adan Reputation.