A better run with updated strats, gives some idea of how fast act III can be The treehouse is very worth it, you can even find twice as many phlash, and there's always the required ingredients to craft a padded suit, which you can use to jump over the first bridge if you get the bad exit.

The save if anyone wants it:

https://mega.nz/#!CbQkjYZB!hXZyy7Z_prHMXUZNBpHyibx7fLY79YPBauuoyPi_7hw