Rank 1 is taught by the Kul Tiran and Zandalari engineering trainers, Layla Evenkeel and Shuga Blastcaps for 40 at a skill of (100). Rank 2 is taught by the same trainer for 75 at a skill of (125). Rank 3 of is purchased from Vindicator Jaelaana or Ransa Greyfeather for 1200 and requires revered reputation with 7th Legion. or The Honorbound.
- Patch 8.0.1 (2018-07-17): Added.