Some further details on what needs to be done can be found on Path of Exile Wiki:To-do list/Automatic upgraded from and issues can be posted on the talk page. Infernal Mantle is a unique Widowsilk Robe.
+1 to Level of Socketed Fire Gems
(25-35)% increased Fire Damage
100% increased Global Critical Strike Chance
(120-160)% increased Energy Shield
15% of Fire Damage Converted to Chaos Damage
25% increased Spell Damage taken when on Low Mana
Despair hums, softly, deadly, in the bones of my enemies. Eyes will burn, and souls wither, as they bask in my radiance.
A simple tool to price check your items in path of exile by "copy and paste". It is that simple!
Price in Leagues