you can buy all the parts for bazu armor and feran(for the druid) in baz with the patterns being bought in PoK from merchants. or you could farm the parts in WoS(best drop rate) or NC(really bad drop rate). these have a recommended lvl of 58. the different "tiers" of bazu is the regular bazu armor and the bazu armor of flames or of ice for the feran. these are better but require drops from RSS and are much more expensive. bazu is made via smithing and feran is made via tailoring.
the killing of nameds is for Omens Tier 1 armor called