How to optimize laserllama's Hellspawn Sorcerer?

Looking to play laserllama's Hellspawn Sorcerer as seen in: https://www.gmbinder.com/share/-M0neAmKuCAae2IV1iJw

Wanting to optimise it and play it as close as I can to the Sorcerer version of the Bladesinger. Let me know your thoughts!

Thanks :)