I just got this idea. Normally, when someone is doing a kamehameha or another beam attack, they can hold the beam up. Like they can charge it up when attacking (like when gohan is attacking cell for instance). As far as I know, in esf the beam dissapears when it hits something. So isn't possible to keep firing the beam until you think it's enough (it uses extra power of course) What about it? Good idea or not?