There are three enhancements in this set:
- Achilles' Heel: Defense Debuff,
- Achilles' Heel: Defense Debuff/Recharge, and
- Achilles' Heel: Chance for Resistance Debuff .
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: