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| Crafting Professions: | Alchemy · Blacksmithing · Enchanting · Engineering · Inscription · Jewelcrafting · Leatherworking · Tailoring | ||
| Gathering Professions: | Herbalism · Mining · Skinning | Secondary Professions: | Cooking · First Aid · Fishing |
Below is a list of Grandmaster Trainers for Engineers and their locations.
| Spell Name | Skill | Description | Source | Reagents | |
| Engineering (Grand Master) | 350 | Allows an engineer to make bombs and gizmos that very often work as intended up to a maximum potential skill of 450. | Trainer. | Requires Engineering (Master) |