Regenerate 0.3% of Life per second per Endurance Charge
15% chance to gain an Endurance Charge when you are Hit
30% increased Armour while stationary 
Inexorable is a notable passive skill that grants increased armour rating and additional increased armour while stationary. It also grants additional life regeneration from each Endurance Charge and a chance to gain an Endurance Charge when being hit. Enemies are also less resilient against your physical hits.