Lidless Wall is a Necromancer Unique Shield that buffs Bone Storm. Like all Unique items they provide a powerful effect that can't be found on any other item. These effects can't be moved around like Legendary Aspects resulting in limited flexibility when incorporating them into your build.
How to Obtain - Random Drop
Rarity - Normal
Lidless Wall Mechanics
Many Unique items change the way skills and builds work in significant ways. More info coming soon!