1. Many friends are rare among judges. I'm not sure if other rare ones will fall.
2. You can also get it by going to the south ramp of Antoran Waste Earth Soul Smelting Furnace to fight monsters.
3. The second bone is on the other side of the soul smelting furnace. There are many bones beside a stone pillar. Approximate coordinate position (52, 35).
4. Uzur's bone is on the left of the burning throne of Team Ben, behind a rare one. The coordinates are about (50, 56).
5. The imp's bone is located in the ghost mother cave at the upper right of the soul smelting furnace. Its coordinates are about (66, 19). There are three bridges on the top of the map. The one on the right has a cave in front of it.
6. Finally, when you return to the place where you started to print books, there is a pile of bones in the middle. You will find that you can click the book when it turns bright. After clicking it, you can summon the boss to devour it.