Your game scenario sets up an exciting and adrenaline-filled adventure for players. The remote island setting filled with volcanoes and dangers immediately creates a sense of urgency and suspense. The unexpected volcanic eruption adds a thrilling twist to the storyline, keeping players on the edge of their seats. The revelation that the volcano holds a massive treasure trove of diamonds adds an enticing objective for players to strive towards amidst the chaos of the eruption. Overall, the scenario promises an exhilarating and action-packed gaming experience that players will eagerly dive into.