What happened?

basically
Chrom said this to Robin, she was offended by it
and that lead to Chrom struggling to explain what he meant. and eventually escalated to Robin picking up a rock and trying to bash his skull in

yeah so the female Robin is an asshole

Ouch

yee

I don’t even play this, and I know damn well what will happen

yeah.......

she's going to chase him around camp with a rock threatening to bash his skull in

2021 be like:

funny
cause this game is from 2013

trans before trans existed

that's not what this scene is about