Journey into the heart of the rainforest. Everyone's favorite Aztec Chief, Rook, is at it again in this amazing 5 reel, 25 line Cascading Reels slot machine. Journey into the heart of the rainforest. About Betrebels. Journey into the heart of the rainforest. Everyone's favorite Aztec Chief, Rook, is at it again in this amazing 5 reel, 25 line Cascading Reels slot machine. Betrebels is a bookmaker with a very big schedule, full of sports events to place bets, the sports envisaged are all there; From soccer to. Everyone's favorite Aztec Chief, Rook, is at it again in this amazing 5 reel, 25 line Cascading Reels slot machine. .