Trainer

Trainers were vendors that sell instruction manuals, allowing players to unlock traits for their character or the Commander mechanic for their account.

Profession trainers

Profession trainers were NPCs that would sell trait guides to players of their respective professions. These guides can be used to unlock specific traits for a single character.

• Guardian trainer
• Warrior trainer
• Engineer trainer
• Ranger trainer
• Thief trainer
• Elementalist trainer
• Mesmer trainer
• Necromancer trainer

Trait guide cost
Tier	Number(s)	Cost per trait	Cost for all traits in all lines (at each level)
Adept	I–VI	10  0  + 2	3  0  0  + 60
Master	VII–X	50  0  + 5	10  0  0  + 100
Grandmaster	XI–XII	1  50  0  + 10	15  0  0  + 100
Grandmaster	XIII	3  0  0  + 20	15  0  0  + 100
Totals	I-XIII	8  60  0  + 72	43  0  0  + 360

Profession trainers can be found in all major cities and many explorable zones.

For a list of profession trainers, see: Profession trainer/Locations

Retrainers

Retrainers behave the exact same way as profession trainers, but they will offer their service to all professions, their inventory changing to match the profession of the character talking to them.

Retrainers were often used instead of profession trainers to reduce NPC clutter in places where there's little room or many other NPC services already.

Historic retrainers

• Caryn Langam
• Malik Pathwalker
• Marcus
• Trainer

Commander Trainers

Primary article: Commander Trainer

Commander Trainers, often called "Master Strategist", were NPCs that sell the Commander's Compendium, an item that unlocks the account-wide ability to act as a commander and form squads.

Notes

• Trainers would sometimes check a character's downscaled level instead of their actual level, and so they could refuse to offer services to some players in low level areas, which was considered a bug.

Trivia

• Prior to the April 2014 Feature Pack, the only way to reset trait points in PvE was at a profession trainer or retrainer.