Lavis cannon?!?

[dark jack]

I've heard that after getting all the way to a double cannon using another syncesta will take you back to a lavis cannon.
1)why?
2)does it even work?
3)does it make it even stronger?
4)why did my lavis blades fsod a while ago?
5)i'm confused

1)just to piss off the people who wanna see if they can push the limits
2)thats already been answered
3)also answered
4)id tell you if i knew
5)why am i answering these questions in a numbered order?