You just did, pretty much. There are charms for the primary stats (strength, agility, intelligence, constitution), vitality, mana and resistances (lightning, fire, poison, spirit).
True, Hand... but beginning with the Land of the Dead, they're just too prevalent and easy to find - they make the game too easy from that point on, by having 200 in all resistances, 2000 mana and/or vitality, etc <img src="/ubbthreads/images/graemlins/down.gif" alt="" />