Two immunities
In the last boss level, "Crunch Time", you can avoid being frozen or being burnt by fire.Jump on one of the petadstals that the laser beams come out of and the ice rocks can't hit you, nor can the fire.
If you need more help, we've got more Crash Bandicoot: The Wrath of Cortex cheats and also check out all of the answers for this game
Comments for this hint