Rebirth is divided into perfect rebirth and ordinary rebirth. There will be no loss of resources for a perfect rebirth, but a certain amount of dragon stones will be consumed. Ordinary rebirth will not consume dragon stones, but will exchange resources for resources. The greater the advent, so it is recommended to use the Dragon Stone for perfect rebirth when the stars are reborn. It is suitable for the training of new warriors, allowing the newly trained warriors to take shape quickly. It is also recommended to use perfect rebirth for training and rebirth, because a warrior who has exceeded 17 perfect rebirths is a perfect rebirth. Training will return a lot of resources and is relatively cost-effective. For other rebirths, perfect rebirth is not recommended because it consumes more dragons and is not cost-effective.