Reduce the damage you take by 20% while at or below 50% Health.
Generate 10-50% of a Calamity Blast charge for each enemy hit with Massacre Axe.
Reduce the damage required to generate a Calamity Blast charge by 120-600.
Heal for 3-15% of the damage Absorbed by Power Siphon.
Increase your Movement Speed by 2-10% for each Calamity Charge you have.
Strength of Stone
Reduce your damage taken by up to 4-20% based on the number of Calamity Blast charges you have stored.
You would want to hit enemies (if possible multiple enemies) to charge your calamity blasts quick and then go after the enemies as your faster now and also take reduced damage (strength of stone card III)