The new 3.28 jewel, Enduring Composure, offers a powerful boost to armor and endurance charge generation. Gain an endurance charge every second when recently.. Enduring composure + that endurance node on the tree that gives chance to gain on kill. Then just use enduring cry. There's also elegant hubris timeless jewel. You can get gain endurance charge when hit every second of hit recently. Someone else said call to arms, and I just want to point out that call to arms skin of the lords is an option.
Enduring Composure 30 % increased Armour Gain 1 Endurance Charge every second if you've been Hit Recently (Recently refers to the past 4 seconds). Path of Exile is a free online-only action RPG under development by Grinding Gear Games in New Zealand.