Originally Posted by
Byzantine
Pewter with Feruchemy has a similar balancing problem as with Allomancy, however there should be a break cut for the melee folks. I suggest something more like: Pewter Ferrings may only increase their strength modifier by +5 before diminishing returns. Every five modifiers increases the number of charges spent per point of modifier. Size increases every five modifiers after five. Every two modifiers after five reduces your dexterity by 1.
Mind you, it's not all cleaned up, but I think you can see where I'm going with it.