These achievements are associated with the armor sets released with 6.0. There are 0 legacy points spread between 68 achievements in 5 subsections. Each achievement requires collecting all 7 pieces of the armor (Head/Hands/Forearms/Chest/Waist/Legs/Feet). As of 7.0 you can purchase all armor sets from S3T-BNS on the faction fleet. If you own a piece of gear, but it has not counted towards the achievement you may mail it to another character in your legacy to get the achievement to trigger. Although these achievements are located in the Retired Achievements section you can still unlock them if you complete the corresponding requirements.

Each non-crafted armor set costs 10,000 Tech Fragments and 1,000,000 credits, and the crafting schematics each cost 2,000 tech fragments and 1,000,000 credits. To purchase every armor set and the schematics available from S3T-BNS you would need 76,000,000 credits and 664,000 tech fragments. Besides the initial credits and tech fragments, to craft all the armor sets you will also need a total of;

General

280 Legendary Embers   |   1,120 Processed Isotope Stabilizers   |   232 Solid Resource Matrices

1,440 Artifact Data Spike   |   4,320 Premium Data Spike   |   2,160 Prototype Data Spike

Armormech

720 Artifact Fibrolite   |   2,160 Premium Fibrolite   |   1,080 Prototype Fibrolite

2,840 Premium Flerovium Flux   |   1,920 Prototype Flerovium Flux   |   7,680 Standard Flerovium Flux

1,200 Artifact Duranium Plating   |   3,600 Premium Duranium Plating   |   1,800 Prototype Duranium Plating

1,200 Artifact Tempersteel   |   3,600 Premium Tempersteel   |   1,800 Prototype Tempersteel

Synthweaving

2,840 Premium Veda Cloth   |   1,920 Prototype Veda Cloth   |   7,680 Standard Veda Cloth

720 Artifact Woven Syntex   |   2,160 Premium Woven Syntex   |   1,080 Prototype Woven Syntex

1,200 Artifact Lustrous Artifact Fragment   |   3,600 Premium Lustrous Artifact Fragment   |   1,800 Prototype Lustrous Artifact Fragment

1,200 Artifact Lustrous Bondar Crystal   |   3,600 Premium Lustrous Bondar Crystal   |   1,800 Prototype Lustrous Bondar Crystal