The fly.H, cl.M → H
after bash can take some practise to get. You need to delay your jump, and hit the fly.H as low to the ground as possible.
Its mandatory to learn this ender if you play s1.2, as it sets up for your vortex.
For s1.1 its damage and oki optimal, but a big deal if you drop it.
If you are out of range for sputnik loops to connect, this becomes your bnb.
This combo can sometimes be improved: covered here