Since learning the Nine Radiant Sun Wheel Method, Ye Rong had used it several times, and he definitely did not neglect its existence. He chose it because its levels were not too many, making it easier to cultivate without feeling like he would be stuck in the dark without seeing progress.
The choice of the Bodhi Heart-clearing Mantra was even simpler. When cultivating this Daoist book, it consumes some Merit Points, preventing one's own Merit Points from accumulating too much and worrying about how to eliminate them.
He had the Mystic Yellow Aura Orb to save him last time, but next time he might not have the same luck. Facing the Heavenly Tribulation test of ten million positive Merit Points before level 100, whether it's a failure or a success, it's an extremely miserable experience.
If he fails, his level plummets and his flying sword treasure would be destroyed;