From Path of Exile Wiki
Pain Attunement is located on the upper right edge of the tree.
|Class||Distance from start|
- Crown of ThornsCrown of Thorns
Vine CircletEnergy Shield: (19 to 31)+(12 to 24) to maximum Energy Shield
Reflects 5 Physical Damage to Melee Attackers
Take 5 Physical Damage when hit by Attacks
Pain AttunementLift it lightly, don it slow.
The spikes point out and in, you know., unique vine circlet, also grants Pain Attunement.