UPDATE: As I have played deeper into the game, I have discovered some flaws in the strategy below. The overall understanding of the rules is still valuable, and the strategy works great, until level 30-40. At level 30-40, enemies start having a full set of the most powerful abilities. To compete against those enemies, you must also have a full set of abilities. The upkeep on a full set at level 40 is around 24 million blood per hour. It only gets worse from there. The raw cost to purchase all of ......