Finally passed the abyss but with only 32 stars, how can i optimize my run?

https://preview.redd.it/f7h6trfful7e1.png?width=886&format=png&auto=webp&s=9bd58a9e27c998006b4ed8fee96874b53a4dbcd1

this is some random bullshit team i made. did 2 stars on both 1st and 2nd chambers then only 1 for 3rd