There are many types of powerful weapons in "Beast of Reincarnation," and the Crescent Moon Bow is one of the most important. To obtain the Crescent Moon Bow, go to the teleportation point near the Village Chief Golem. The teleportation point is underground. Then, follow the quest marker for the Village Chief Golem, and talk to him to receive the Crescent Moon Bow.
How to Obtain the Crescent Moon Bow in Beast of Reincarnation