The lower the better my friend, the lower the better.
When you need to make a save, the game randomizes a number between 1 and 20. If this number is over your saving throw number, then you pass the save.
As you might imagine, having a saving throw that is a minus number makes it quite difficult to fail saves.
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"Our deepest fear is not that we are inadequate.
Our deepest fear is that we are powerful beyond measure."