まで

About

まで can be attached to a dictionary-form verb or to a noun to express "even X" or "to X extent".

E.g. あの人ひとまで来きた。 "Even that person came."

まで is often used in situations where the speaker wants to emphasize how out-of-the-ordinary something is, as well as to list things with emphasis

Compared to も, which can also be used as "even", まで adds more emphasis.

Summary

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  まで can be used to express "even", or "to the extent of"

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  まで is often used to add something surprising to a list or for emphasis.