As of my last knowledge update in September 2021, "Boku no Hero Academia" or "My Hero Academia" is a popular manga and anime series created by Kohei Horikoshi. In the series, individuals possess unique superpowers called "Quirks." However, I do not have information on specific updates or new Quirks introduced in the series beyond that date. Quirks can vary widely in terms of abilities and characteristics, and new ones are introduced as the story progresses.
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To get information on the latest Quirks introduced in the series, I recommend checking the most recent manga chapters or episodes of the anime, as my knowledge is not up to date with developments that may have occurred after September 2021. You can refer to official sources, fan communities, or websites that provide updates on the series to learn about any new Quirks or developments in the "My Hero Academia" universe.