My husband said shes so me should I be offended?

I’ve never played dark souls 3 & my husband is always saying that “Shes so me” I don’t know much about her but he told me that there’s an ending where you can kill her which sounds unpleasant. Is she cool?

I’ve never played dark souls 3 & my husband is always saying that “Shes so me” I don’t know much about her but he told me that there’s an ending where you can kill her which sounds unpleasant. Is she cool?