|Location||Blood Tree, Tier 3|
Toughness is a Death knight talent located in the 3rd tier of the Blood Tree.
| Rank || % Armor Increase
| 1 || 3
| 2 || 7
| 3 || 10
- / Patch 4.0.1 (12-Oct-2010): Moved from Frost Tree to Blood Tree.
- Patch 3.2.0 (04-Aug-2009): This talent now grants 2/4/6/8/10% armor instead of 3/6/9/12/15%, placing it in line with similar abilities of other classes.