look at WoW from around 2005; like raganros or a water elemental or their djinn’s
check the first 10 seconds here
that’s how I’d approach it to start for mobile - just go easy on particle counts - you can add atmosphere with about 2-3 boards
scrollx2 texture shader on ~2-3 meshes depending on how full screen it gets (overdraw and two texture lookups can get expensive)
about 40-50 embers billboards
few trail/ribbons would be nice too
throne of four winds @3:25
