Supports skills which can have a Limited number of effects active at once, doubling that Limit at the cost of Cursing yourself on Skill use. Only applies to restrictions that use the word "Limit".
Supports Curse Skills. Supported Curse Skills create Hazardous areas which explode when Enemies enter them, Cursing Enemies and dealing Chaos Damage based on your Intelligence.
Curse all targets in an area after a short delay, causing a portion of Damage they take from Hits to be tracked by the Curse debuff. When the debuff's duration expires, they take that tracked damage again, all at once.
Detonate a Curse on every enemy in an area, causing explosions of Chaos damage but removing the Curse. Can only detonate Curses for which at least half of the duration has expired.
Supports Curse Skills. Supported Curse Skills create Hazardous areas which explode when Enemies enter them, Cursing Enemies and dealing Chaos Damage based on your Intelligence.
Place into an empty Rune Socket in a Body Armour to apply its effect to that item. Once socketed it cannot be retrieved but can be replaced by other socketable items.
Helmets: Enemies you Curse take 5% increased Damage
Place into an empty Rune Socket in a Helmet to apply its effect to that item. Once socketed it cannot be retrieved but can be replaced by other socketable items.
Place into an empty Rune Socket in a pair of Boots to apply its effect to that item. Once socketed it cannot be retrieved but can be replaced by other socketable items.
Place into an empty Rune Socket in a Helmet to apply its effect to that item. Once socketed it cannot be retrieved but can be replaced by other socketable items.
Place into an empty Rune Socket in Gloves or a Sceptre to apply its effect to that item. Once socketed it cannot be retrieved but can be replaced by other socketable items.
Grants Skill: 
Grants Skill: Level 17 Withering Presence
