Pirate: Why Is My Devil Fruit so Small?

Travel to pirates and awaken the system of helping others! But why are the Devil Fruits given by the system so small? Devil Fruit: A replica of the Devil Fruit without the devil. The eater will have the original Devil Fruit powers within 10 minutes! "Ding! Congratulations to the host for getting Tun Tun Fruit x 10!" "Ding! Congratulations to the host for getting 3 Phoenix Fruits!" "Ding! Congratulations to the host for getting 3 Thunder Small Fruits!" A devil fruit replica without a devil? Is it too short to only be able to use the ability for 10 minutes? No, no, no, it seems that the ability to swallow fruit is still underestimated. After the protagonist finishes eating the Tuntun fruit, he gets another Phoenix fruit. Ten minutes later, hey, why is the Phoenix Fruit ability still there? Another small Tuntun fruit, and then a small Thunder fruit. 10 Minutes later, hey, can you still control thunder and lightning after turning into a phoenix? What? Can you feed it to others? This sea is going to become even more chaotic!