Hi, this is some build I use for fun.

for full build, just need 3 forma. but for maximum capacity, maybe just add another 2 forma if you want.
why gas + electric build? --> because this weapon sucks when not in AOE build.
why gas + electric and status duration? --> so that the gas and electricity tick longer.

for adding more AOE from Warframe, check out my nova build
https://overframe.gg/build/829662/