Responses
Yes!
Or, probably, she found out about the antidote after her husband's death?
щ(゜ロ゜щ)
Hoping that's the case but I guess we'll never know ╮(￣▽￣)╭
Spoilers:
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. Why didn't MC's mother used her horn to make antidote for her husband to save him if she already knew about the thebpoison antidote???
Chieftain in this chapter asks MC if she didn't tell him about the antidote, means she knew already.