sound!
50+ attempts in 6 hours for 1 win. this stage looks scary (and it is scary) but it really just requires concentration and understanding of the stage. big luza is immune to freeze so doron's true form is really helpful here. naala's true form also helps A LOT. strongly advise to get those two true forms before attempting this stage. supercar's guaranteed knockback is nice and breakerblast is necessary too. sniper is optional as it does interrupt big luza's attack but mostly makes your units miss. originally i had idi/balrog in the lineup but swapped them out for courier cat because i kept losing to the sir rel waves, not actually big luza himself. sacrificing a faster boss kill for actually winning is pretty worth if you ask me. the stage is possible without a rich cat but boy does it make everything easier.
essentially the stage is about timing all your units right. send in supercar when the stage is clear of peons to keep big luza back, slime and can can to chip away at his health, courier to help deal with the sir rels, doron + teacher bear for the li'l bores. rock cat is really good for stalling a heavy peon wave here. stalling luza gets a lot harder when he's strengthened at 1/3 hp so be very careful, almost died there.
unit levels:
Future 50
M Eraser 50
Rock 40
Slime 50
Can Can 50+14 (all talents max except alien target)
Teacher Bear 50
Courier 50
Supercar 45
Doron 40
Naala 40