Press See Inside And Use the Custom Made Blocks, put them into Attack Phase One, Two, Or Three And It Will Do Those Attacks In That Order, In Those Phases. At The End Of Every Phase You Have 10 Seconds To Shoot the boss, and if you fail to shoot the boss, you redo the Phase You just did. There are Three Phases.
I started making this November 11th 2018 so it is in a very early development stage.(Plus I'm 11 so that might factor into this.)