Breaking the curse of Edan is equivalent to breaking a pair of shackles

And the Purple Pill of Restoration is because being cursed for a long time is equivalent to being shackled for a long time, which is equivalent to being in a state that is harmful to health for a long time. To fully recover in a short time, it is natural to need some external force to help. Restoring Purple Pill is naturally this external force

In fact, to put it bluntly, one is an antidote and the other is a tonic that can be used to treat physical weakness after interpretation