Healing and Healing Surges

Simply not being at home during an extended rest is -1 surge that day.

Rough road/dungeon conditions is -2 surges that day and that is typical.

Significant wounds/diseases/negative conditions is -3 to -8 surges that day.

If you roll an Endurance Check vs DC 17 you are down 1 less surge.

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The use of surges is different than in 4e.

You have a second wind in combat.
After any combat and a short rest you may expend 1 surge.
If a healer attends you and rolls > than the DC of damage you have taken you may spend another surge.
Otherwise, you may not spend a surge unless a power lets you or you take an extended rest.
After an extended rest you may spend 1 surge.
If a healer attends you and rolls > than the DC of damage you have taken you may spend another surge.