This skill has had a few name changes over its time. Originally known as Robust, it was renamed to Robust Constitution with Update 7, it was renamed again to Nimble with Update 11, and renamed a third time to Robustness.
- Rank 1: Increase your Health Recovery by 33 and your Stamina and Magicka Recovery by 25. (Unlocked at Level 5)
- Rank 2: Increase your Health Recovery by 66 and your Stamina and Magicka Recovery by 50. (Unlocked at Level 15)
- Rank 3: Increase your Health Recovery by 100 and your Stamina and Magicka Recovery by 85. (Unlocked at Level 30)
- Update 7: Removed the Robust passive, and replaced it with Robust Constitution. This will increase your Health regeneration by 6/13/20% and Stamina regeneration by 3/6/10%.
- Update 11: This skill has been renamed to Nimble.
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