Feat
You tend to come back from the edge of oblivion more often.
*Prerequisite: Trained in the Endurance skill. *Source: Core
You can catch your second wind one additional time per day, but you can still only catch a second wind once per encounter.
Normal
A hero can catch his or her second wind once per day.
Special
A non heroic character that takes this feat for the first time can catch a second wind once per day.
You can take this feat multiple times; each time you take this feat, you can catch a second wind one additional time per day.