How to choose Chang 'an Fantasy Earth Fox and Yingying?

Chang 'an fantasizes about local foxes and chooses to fool. Fire dogs and foxes can be added to Kunlun Mountain before level 45. After level 45, you can add water to the fire unicorn, and the fire unicorn can add ten thousand blood bears to the baby. Don't throw it away as a spare baby. After level 45, you can only use local foxes before level 45, so you choose to use fire unicorn.