Keystone

A Keystone is a unique and powerful passive skill node that significantly impacts how a character is played. They are typically characterized by having stats that have both positive and negative effects.

Interactions

Interactions with unique items

Some unique items grant a keystone's effect without needing to have the keystone allocated in the passive tree. Allocating the keystone will not impart any additional benefits.

Some unique items have named stats which are similar to keystones that cannot be found on the passive tree:

IrongraspIrongrasp
Vagabond ArmourArmour: 67
Evasion: 56
Movement Speed: -4.0%Requires Level 16, 20 Str, 20 Dex(100-150)% increased Armour and Evasion
+(20-30) to Strength
+(100-150) to Stun Threshold
Iron Grip
Iron WillA power unknown aids your own.: Iron Grip
IrongraspIrongrasp
Vagabond ArmourArmour: 67
Evasion: 56
Movement Speed: -4.0%Requires Level 16, 20 Str, 20 Dex(100-150)% increased Armour and Evasion
+(20-30) to Strength
+(100-150) to Stun Threshold
Iron Grip
Iron WillA power unknown aids your own.: Iron Will
Mahuxotl's MachinationMahuxotl's Machination
Omen Crest ShieldShield
Chance to Block: 25%
Armour: 50
Energy Shield: 19
Movement Speed: -1.5%Requires Level 48, 37 Str, 37 IntGrants Skill: Raise Shield(333-666)% increased Armour and Energy Shield
100% increased effect of Socketed Soul Cores
Everlasting Sacrifice
Has 2 Rune Sockets (Hidden)The Banished Architect sought to employ the darkest secrets of the Vaal.: Everlasting Sacrifice