>>44547126https://youtu.be/eHyf8fHloowGym based on a huge casino
The player must navigate inside while battling trainers, the thing is that the triners will make the player flip a coin: if the player wins, the opponent gets a disadvantage during battle that could range from status ailments or stat decreases or even pre-set rules (no physical attacks, no status moves, etc), same happens to the opponent if the player loses.
Gym Leader is an ex-executive from the region's evil team that abandoned the organization out of a whim and built his own casino and became an underworld tycoon.
Personality is cool and smug at first but as the odds stack against him he loses his composure and starts using underhanded tactics in battle (X-items)