[RankAndFormationSizeToDifficulty]
NpcRank = 1, 2.544, 2.544, 5.088, 7.632, 10.176, 12.720, 15.264, 17.808
NpcRank = 2, 2.544, 2.544, 5.088, 7.632, 10.176, 12.720, 15.264, 17.808
NpcRank = 3, 2.544, 2.544, 5.088, 7.632, 10.176, 12.720, 15.264, 17.808
NpcRank = 4, 3.072, 3.072, 6.144, 9.216, 12.288, 15.360, 18.432, 21.504
NpcRank = 5, 3.264, 3.264, 6.528, 9.792, 13.056, 16.320, 19.584, 22.848
NpcRank = 6, 3.488, 3.488, 6.976, 10.464, 13.952, 17.440, 20.928, 24.416
NpcRank = 7, 3.904, 3.904, 7.808, 11.712, 15.616, 19.520, 23.424, 27.328
NpcRank = 8, 4.160, 4.160, 8.320, 12.480, 16.640, 20.800, 24.960, 29.120
NpcRank = 9, 4.400, 4.400, 9.064, 13.096, 17.128, 22.160, 26.192, 30.224
NpcRank = 10, 4.672, 4.672, 9.344, 14.016, 18.688, 23.360, 28.032, 32.704
NpcRank = 11, 7.096, 7.096, 14.192, 21.288, 28.384, 35.480, 42.576, 49.672
NpcRank = 12, 7.096, 7.096, 14.192, 21.288, 28.384, 35.480, 42.576, 49.672
NpcRank = 13, 7.096, 7.096, 14.192, 21.288, 28.384, 35.480, 42.576, 49.672
NpcRank = 14, 7.480, 7.480, 14.960, 22.440, 29.920, 37.400, 44.880, 52.360
NpcRank = 15, 9.120, 9.120, 18.240, 27.360, 36.480, 45.600, 54.720, 63.840
NpcRank = 16, 9.312, 9.312, 18.624, 27.936, 37.248, 46.560, 55.872, 65.184
NpcRank = 17, 9.504, 9.504, 19.008, 28.512, 38.016, 47.520, 57.024, 66.528
NpcRank = 18, 9.952, 9.952, 19.904, 29.856, 39.808, 49.760, 59.712, 69.664
NpcRank = 19, 10.976, 10.976, 21.952, 32.928, 43.904, 54.880, 65.856, 76.832
NpcRank = 20, 12.688, 12.688, 25.376, 38.064, 50.752, 63.440, 76.128, 88.816
NpcRank = 21, 15.000, 15.000, 30.000, 50.000, 70.00