C1482 Sect keepsake

If an Immortal Pill Refiner wanted to write a recommendation letter, he would have to be an Immortal Pill Refiner who had already participated in a Pill Refining Conference. Furthermore, his skill in alchemy must also be at least that of a Tier 3 Pill Refiner before he could write a recommendation letter.

As for a Third Grade Immortal Pill Master