How to complete the task of flying birds swimming fish?

This is a task for two people. One man holds a picture of a bird in his hand, and the other holds a falling lake in his hand. Then two people teamed up and found two auras. Both of them stood on the halo, and the monster came out. After finding the monster, killing it is half the battle, and then it is the task of 15 level, one of the tasks of 15 level. You have to form a team to get in.