After searching for a while, Werther finally found the details on the Zoan Devil Fruit.
Frog-Frog Fruit; Giant Frog form
Upon consumption; grants the abilities of the Zoan Giant Frog form, including human, beast, and hybrid forms. Consuming this Zoan Devil Fruit causes excessive hunger and is not recommended.
Ability; powerful swallowing capacity, allowing the user to swallow objects several times their own size.
Previous locations; unknown
Development potential; ★
Awakening difficulty; ★
Combat enhancement; ★★
Rarity; ★★★★
Notes; humans are advised not to eat this fruit. According to legend, those who eat it frequently suffer intense hunger despite having unremarkable digestion. We recommend giving this fruit to an object instead. With modification, the resulting item can be small on the outside but have enormous storage capacity within.
For instructions on giving a Zoan Devil Fruit to an object, see the later pages on "Devil Lineage Factors" and the "Devil Fruit Internal Devil Hypothesis."
After reading the Devil Fruit Encyclopedia's description, Werther grew even more interested in the fruit in his hand. Tuski looked just as eager.
Werther immediately flipped to the final pages of the Devil Fruit Encyclopedia. Sure enough, they contained descriptions of Zoan Devil Fruits and instructions for giving them to objects.
Giving a Zoan Devil Fruit to an object;
Through various experiments, we discovered that every Zoan Devil Fruit contains a distinct Lineage Factor, which determines the fruit's effects.
To give an object the power of a Devil Fruit, we must first do the following.
First, have a living creature eat the Devil Fruit. This is crucial: the Devil within a Devil Fruit generally will not attach itself directly to an inanimate object. We must first release the soul within the fruit by having a living creature eat it. (Preferably, choose a weak creature.)
Once the