If you play melee builds your sheet DPS matters and how you life steal from it, the more damage you make, the better defenses are. I personally am trying to have at least 10% life steal. Unless you’re vitality build having more than 20% is very hard and pointless. Although for lightning build 10-14% is enough.
Best component is aether corruption for RR skill. Then purified salt for aether resistance and racial. Seal of Skies is decent too. I wouldn’t take haunted steel myself.
Check out this guide for end game Warder:
And for devotions, I recommend map from my Ultos Vindicator, should be optimal.