Fighting Demon

In the universe very far away from the earth... Fire, water, electricity, plants, ice, fighting, poison, earth, flying, super powers, insects, rocks, netherworld, dragons, demons, steel, there are a total of sixteen galaxies, and each galaxy has a tree of life, which will bear that series of super powers... A conspiracy from the Netherworld system, a large number of superpower fruits from various systems landed on the earth, and the seven continents mysteriously gathered into one... The seemingly inconspicuous last remaining devil-type fruit is mixed in... The only person in the world who survived after taking two fruits of different types...