Tree of Mana
Event Name: Legend of Mana
Event Locations: Sanctuary of Mana
Required Partner: Lisa or Bud
Boss: The Mana Goddess
How To Trigger: Enter the Tree of Mana and speak with Pokiehl.
Here's What To Do: Walk up the tree. It can be kind of confusing at times, but as long as you're heading up you're going the right direction. Now you must defeat the Mana Goddess. Do so and you win the game!