Enduring

Enduring

From the Comprehensive Rules 4.0:

For each wound on a character with the enduring keyword, that character is strength +2

Some of the most powerful cards with enduring keyword:

9R+48 Sauron, The lord of the rings 10R67 Ulaire Cantea, Thrall of the one 8R38 King of dead, Oathbreaker.

Loaded Keywords
Numeric	Damage + X	Defender + X	Ambush X	Hunter X	Toil X
Non-numeric	Aid	Archer	Enduring	Fierce	Lurker	Muster	Sanctuary	Ring-bearer	Unhasty
Item Class	[Classless]	Support Area	Armor	Brooch	Box	Bracers	Cloak	Gauntlets	Hand Weapon
	Helm	Mount	Palantír	Phial	Pipe	Ranged Weapon	Ring	Shield	Staff