–Genasi are never specified to only be Medium creatures. Is it possible to have a — halfling or a gnome born genasi due to a planar eruption and they would still be "Small" size?

— Axis Through the Snow on a One Horse Open Sleigh (@owenharper) November 7, 2017

Not sure what a planar eruption is. Does that come after a planar erection? https://t.co/QS2xPd13wZ

— Christopher Perkins (@ChrisPerkinsDnD) November 7, 2017