Either you can recognize goods yourself, or even if you invite an alchemist to refine elixirs, you would specifically ask an appraiser to check each one before consumption, and you'd use different appraisers, only consuming them if there were no issues.
The puppet pills we refined have hidden depths. First, they cannot escape the scrutiny of professional appraisers; second, they are low in grade. Even if we find a way to have high-realm cultivators ingest them, the effects aren't as good as imagined.
Besides, refining puppet pills requires money, and we don't have that much, so we can only refine puppet pills to control cultivators of lower realms.
Life has been much better than before. We could indulge but not fully enjoy life. So we decided to take a risk. While the master wasn't paying attention, we had him swallow a puppet pill… but we were discovered. We had to kill him, and the rest you've already covered…"
