Ainethil

Ainethil is a night elf artisan alchemy trainer located in the Craftsmen's Terrace in Darnassus.

During the Burning of Teldrassil, she was caught in the chaos and could be saved.

Quotes
This potion seems to heal less damage every time I brew it, though I use the same ingredients. There can be only one conclusion: the plants are changing. I cannot say why or into what.

Your skill at brewing potions needs to be greater before you can become one of my students. In the meantime, perhaps Sylvanna Forestmoon or Milla Fairancora can help you, just over there.
 * Classic