Saving Throws -- house rule

I'll be using the regular Saving Throws as per their category names — i.e. Paralyzation, Poison & Death Magic vs. paralyzation, Breath vs. breath weapon or other area-effect attacks, etc. However, for more general-purpose saving throws, such as clinging to a tiny crack in a cliff face to avoid plummeting to a horrible splatty doom, I will generally just use characteristic saves — STR, DEX, CON…