Actually, he has another corpse refining cultivation technique, which is the Sun Concealing Sect's 'Sun Concealing Corpse Refining Technique', but being in the Sword Intent Chongxiao Pavilion, he wouldn't dare switch to a corpse refining technique here.
Switching to a corpse refining technique requires maintaining a corpse refining state for some time, and currently, he needs to refine pills for Nascent Soul sword cultivators, leaving no time for long-term seclusion.
However, he has already scheduled the switch to the 'Sun Concealing Corpse Refining Technique', mainly because the 'Evil Corpse Spirit Record' at the Nascent Soul stage hardly enhances the combat effectiveness of the Golden Corpse.
But, the 'Sun Concealing Corpse Refining Technique' is different, it's the most powerful corpse refining method of the Sun Concealing Sect, which includes cultivation methods for the corpse itself.
