What CDR should I be aiming for using this set?
Heaven’s Fury Crusaders are heavily Cooldown-dependent, so try to your best to reach a 60%+ CDR point in your sheet to ease the strain on your Obsidian Ring of the Zodiac resets.
Thanks for that - I presume CDR is more important than CHC/CHD.
It’s not a build I play personally, but 60% CDR tends to be the value required to maintain 100% up-time of class “super” abilities, i.e. in this case…Akarat's Champion - Game Guide - Diablo III
…because it gives you 150% armour and, with Prophet, gives you a free “cheat death”. CHC / CHD are responsible for increasing the damage you deal but you need to stay alive first to be able to hand it out.