Rio Branco is a secret preserve in Brazil where the Oculus is located. Grandpa Sorenson places a tub there that shares the same space as one the attic of the Fablehaven house. In Secrets of the Dragon Sanctuary, the Maddox stingbulb somehow gets through the tub.

Creatures Found In Rio Branco

  • Fairies (presumably)
  • Umite Sprites (presumably since they are said to live in tropical preserves)
  • Lycerna (demon)

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