I counter my own post with an answer.
I managed to edit Salvo's health completely and it also means I'm stupid. Here are the right changes:
org $06831F ;- This is Salvo's health before becoming big.
db $00,$B0 ;
org $068BA4 ;- This is Salvo's health after becoming big.
db $FF,$FF ;
org $0688E8 ;- Salvos Health decreases by this when hit.
db $00,$01 ;
org $0688EB ;- Salvos Health minimum value.
db $00,$4C ;
I forgot the other byte. These changes make Salvo a harder fight.
You can download my VLDC12 entry Here
- final update