First there was a quick edit to Chapters 63 and 66 to clarify the discount for creating new techniques:
Su Fang can only qualify for the new technique discounts a single time for each Rarity-Power combination. He will only get a single Profound Rank 1 discount.
Submission Successful. Contribution Confirmed. Calculating… Reward: 50% discount for the next purchase below 20,000 credits.
Note: Profound Rank 1 techniques will no longer qualify you for further discounts.