C1506
Although he was only at the late stage of Hongmeng Warring God, unlike when Zhu Rong was just at the late stage of Hongmeng Warring God, this Fire Demon King was actually at the middle stage of the late stage of Hongmeng Warring God.
But if they really started to fight, Zhu Rong was very confident that the Fire Demon King wouldn't be his match!
Looking at it carefully