C658 hemophagocytosis
If one must say, only the top Tianwai realm expert s and Huawai Realm Expert s could create flames by igniting the sky with their blood. However, this method was usually only used in a passive manner, burning one's blood and Qi, and consuming one's foundation. Unless one was forced to the limit, no expert would actively use a burning blood and burning the sky to fight an enemy.
And right now