The build shown is for good stats 

if problems bec of stats do it on nm or use the build shown in the video   ---->  https://www.youtube.com/watch?v=8cLRzrtc3b4&t=590s

u start ofc r 23 I run this build ruthlless bec  it is faster on ruthles

--->  In round 24 at battle phase add 2 more heros to get 4x pet drop (just press f6)

Lower stats (or problems )

if ur Lower stats  or  u have problems  -------> u can just do it on nightmare 

(the cats u get on nightmare will be the same there is no diffrence in drop rarity or some like that the run just thakes a tiny bit longer)

u  can also use adept uppy ofc to max upgrade and tower boost monk on f3

Higher stats  i dont full upgrade i  just upgrade buff beam

i dont use adept uppy i use on  f2 builder adept f3 tb monk 

Chest location and fastest way for Higher stats 

pls watch video i show there a way to save time while building 

This way to save time building i copyed from @Sesar also the build location i copied from his original build for nm

stats shown are my stats kinda