Bloodangel armor sets offer great defenses and are designed for tier 3 character classes. After completing the 3rd Class Upgrade quest, your character becomes a tier 3 character class, also known as a "Master Level" character! You'll want to start using these items as soon as you've become master level. You can obtain excellent mastery set items from hunting monsters in Nars or Uruk. Ancient items possible got from NPC Priest James. He has an item shop which offers items in exchange for CR, in Elveland.
Additional added new recepies for Noria Chaos machine: here, here