gamehuntera
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So, I'd like to share two ideas:
1. Let Dwarves use magic. After all, it's much easier to power technology with magic than with coal and sulfur. They could become technomages.
2. What about a system where, with advanced ballistics, a Dwarf can buy two ballistae or two healing huts and a cart instead of the standard cart, healing hut, and ballista, and with expert-level ballistics, three ballistae or three healing huts? It just needs to be balanced. Although, no, that's not really necessary...