Chapter 412: Double Breakthrough

"Breakthrough? He broke through? How is this possible?" "Did he do that on purpose?" "Faced with the powerful attack of the Heavenly Demon King, he is definitely the first person to break through the desperate situation of life and death!" "Who can do this?" "Yeah! If it's not easy, you'll lose your life! This guy is too cruel!" "But, so what? Even if he breaks through twice, he will definitely not be a match for the Heavenly Demon King!" "After all, the gap in their cultivation is still too...