This cultivation method had to absorb one of the five most difficult fiendish qi to cultivate to perfection.
Moreover, it was best to absorb the most violent and domineering Lightning Fiendish Qi.
Otherwise, it would be like the Mystic Ice Claw, with high difficulty and low power.
However, it was the same for Han Zhao. He was not a third Blood Qi Breakthrough martial artist, but a Force Tempering Martial Master.
No matter how difficult it was to cultivate the first two levels of this cultivation method, it would not delay him for long.
Furthermore, it was related to the upgrade of the Trait.
The Three Spirits Arrow Manual he had obtained from the three Lian sisters also required the power of the three wonders to unleash its strongest power.