Cheat mode
Start the game with the "wizardmaster" command line parameter to unlock a cheat option at the inventory screen.
Infinite saves
When leaving the manor's lobby as Carnby, a FMV sequence will play when you meet Edenshaw. In the sequence, he will give you a charm of saving. Immediately save the game when the FMV sequence completes. Keep saving the game repeatedly to get four save uses each time.
Source? Here it is.
Start the game with the "wizardmaster" command line parameter to unlock a cheat option at the inventory screen.
Infinite saves
When leaving the manor's lobby as Carnby, a FMV sequence will play when you meet Edenshaw. In the sequence, he will give you a charm of saving. Immediately save the game when the FMV sequence completes. Keep saving the game repeatedly to get four save uses each time.
Source? Here it is.