High Martial Arts Monsters, Pets Can Pick up Attribute Upgrades

After traveling through time, Li Hao discovered that this world is very dangerous, with monsters, evil spirits, and invasions from foreign worlds. There is a complete martial arts training system. But the big refrigerator he brought to this world can contain the real world bit by bit, and the whole world will become a plaything in the palm of his hand. Whenever the world is broken and invaded, he puts the pets in the refrigerator and releases them into the real world. The size of the pet increases a hundred times. While fighting to protect the world, it can also pick up various strange attributes. After fusing the attributes, the pet evolves and upgrades... Li Hao, who has a five-black dog, saw a rampaging demon pig outside the community, and he did not hesitate to put the five-black dog in the refrigerator... How many steps does it take to put a dog in the refrigerator?