According to the search results, the chance of rolling a Leopard fruit in Blox Fruits is approximately 0.7% . However, this chance can vary depending on the source. Another search result states that the chance of rolling a Leopard fruit is 0.6% when it appears in the in-game shops stock and 0.25% when it randomly spawns on the map. Yet another source mentions that the chance of rolling a Leopard fruit is 0.016. It is important to note that these chances are not guaranteed and can vary based on luck. Additionally, the Leopard fruit is the most expensive fruit in Blox Fruits, costing 5,000,000 Beli or 3,000 Robux from the Blox Fruit Dealer.