Technical Breakdown
Sunstones are obtainable by spinning PokéStops and opening gifts from friends, with a probability of acquisition of 0.2% and 0.04%, respectively. In addition, they can be awarded as rewards for completing Field Research tasks, with a probability of 16.67% when encountering the research task “Evolve a Pokémon using a Sun Stone.”
Performance Insights
The statistical likelihood of acquiring a Sunstone from PokéStops or gifts is extremely low, necessitating the completion of multiple Field Research tasks to increase the probability of obtaining one. However, the success rate of evolving a Pokémon using a Sunstone is 100%, ensuring that players can successfully evolve their Pokémon upon obtaining one.
