# Tower #3

Level 1, cost = 1500 crystals, yield = 2.88%&#x20;

Level 2, cost = 2250 crystals, yield = 2.90%&#x20;

Level 3, cost = 3375 crystals, yield = 2.94%&#x20;

Level 4, cost = 5100 crystals, yield = 2.95%&#x20;

Level 5, cost = 7650 crystals, yield = 2.992%&#x20;

Level 6, cost = 11470 crystals, yield = 3.01%
