# Unbreakable Constraint

From Paragon Wiki Archive

**Unbreakable Constraint** is a **Holds** enhancement set in the Invention System. It is available only at level **50**.

There are six enhancements in this set:

- Unbreakable Constraint: Hold (Superior) ,
- Unbreakable Constraint: Hold/Recharge (Superior) ,
- Unbreakable Constraint: Hold/Recharge/Accuracy (Superior) ,
- Unbreakable Constraint: Recharge/Accuracy (Superior) ,
- Unbreakable Constraint: Hold/Endurance (Superior) , and
- Unbreakable Constraint: Chance for Smashing Damage .

Only one of each of these types of enhancements may be slotted per power.

The following set bonuses apply when slotting more than one of the enhancements in this set into a single power:

- Two enhancements increases
**Recovery**by**4%**. - Three enhancements increases
**Fire and Cold Resistance**by**2.52%**. - Four enhancements improves the
**Accuracy**of all your powers by**15%**. - Five enhancements improves the
**Recharge**of all your powers by**10%**. - Six enhancements increases
**Toxic Resistance**by**5%**.