Tormenta is a Brazilian fantasy role-playing game campaign setting that has been played at various times with the rules system for AD&D, Runequest, D20 System or 3D&T. It was created in 1999 by Marcelo Cassaro, Rogério Saladino, and J. M. Trevisan as a special booklet to commemorate Issue #50 of the magazine Dragão Brasil. Wikipedia