Anyone have an idea how to get the gear?

[Remember Atlas]

I have several Btag links to several players ive run into at the 60+ bracket wearing 418 ilvl items that req level 60. I ask everytime i see someone with the gear on and never get a response. was just curious if anyone knew how to get it?

https://worldofwarcraft.blizzard.com/en-us/character/us/lightbringer/drïzzle​

https://worldofwarcraft.blizzard.com/en-us/character/us/illidan/ceplavia
https://worldofwarcraft.blizzard.com/en-us/character/us/tichondrius/paladinnike