Probability Control System

If you can control the probability of all events, what interesting things will happen? For example: rain, probability: 100% awakening superpower, probability: 100% time travel, probability: 100% hit, probability: 100% like Mr. Qiyu, break the species limiter, probability: 100% earthquake, probability... The earth will explode, the probability... Sunspot explosion, probability... Suffering from the dark forest