Shadow Chain (3.5e Equipment)
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Shadow Chain: A Chain Shirt allowing Invisibility at will.
Weak illusion;CL 3; Invisibility; Weight: 15 lbs lb.
A suit of Shadow Chain is a Chain Shirt, enchanted as to allow casting of Invisibility at will. However, it comes at a price - you gain Light Vulnerability (as Drow) and are considered undead for purposes of taking damage from Light spells.