Everyone's Quirk is different. Or, most people, I guess. Sometimes kids inherit one or both of their parents'. Although I guess sometimes it skips a generation...but almost everyone has one, even if it isn't strong. Mine is called Half-Cold Half-Hot.

[He doesn't really want to use much Chroma, but an example is pretty useful, so he holds his right hand up in front of the camera, letting a glove of ice form over his fingertips, before setting the camera carefully on the table--he appears to be standing in a kitchen--and clasping that hand in his left, melting the ice into steam, not a single drop of water hitting the floor.]

I could do more, but it seems like my quirk is tied to Chroma now, and I don't really have enough for anything else, if it's not an emergency.

What's the rukh? Is that the source of magic in your world?