Warforged Grafted (4e Feat)
From D&D Wiki
Warforged Grafted [Lineage]
Some of your body has been replaced or covered by parts of a warforged, giving you some of their power.
Prerequisite: 1st level, non-warforged (but have undergone warforged replacement process)
Benefit: You may use warforged resolve as a daily power. You gain a +1 bonus to saving throws against ongoing damage and only need 4 hours of rest to benefit from a full rest. You can take feats that have Warforged or warforged resolve as prerequisties as long as you meet any other requirement.