Unbreakable Constraint is an enhancement set in the hold category.
Unbreakable Constraint is level 50 only. All enhancements in the set are very rare, and a character must be level 50 to slot them. Enhancement values are 1/4th higher than standard.
Crafted versions of Unbreakable Constraint enhancements can be made from recipes earned in-game. Attuned versions can be purchased separately from the Paragon Market, or as a bundle of all six for 2000 Paragon Points.
Slotting more than one Unbreakable Constraint enhancement in the same power grants the following cumulative set bonuses:
|Bonus for 2||Bonus for 3||Bonus for 4||Bonus for 5||Bonus for 6|
|+4% recovery||+2.52% fire and cold resistance||+15% accuracy||+10% recharge||+5% toxic resistance|
Unbreakable Constraint was added in Issue 11: A Stitch in Time.