Endurance

From The Elder Scrolls Construction Set Wiki

Description	Affects your total Health and how much Fatigue you have.
Governs Skills	Armorer Block Heavy Armor
Game Mechanics	Starting Health = Endurance × fPCBaseHealthMult (default 2) Health at Level Up = Endurance × fStatsHealthLevelMult (default 0.1) Maximum Fatigue = Strength + Endurance + Agility + Willpower