Helm of Shadow Defender
Can be acquired by upgrading Helm of Imperial Defender. For upgrade, Spark of Abyss are required that can be obtained in combats against Shaab's monsters or 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 Imperial Defender once its magical properties expire.
Upgrade becomes available upon earning 1000 Defender of Adan Reputation.