得出结论是平均掉383个ist才掉一个zod
#1 El Rune 626534.603637
#2 Eld Rune 417689.735758
#3 Tir Rune 317354.613132
#4 Nef Rune 211569.742088
#5 Eth Rune 208324.154192
#6 Ith Rune 138882.769461
#7 Tal Rune 164387.411827
#8 Ral Rune 109591.607884
#9 Ort Rune 109541.558279
#10 Thul Rune 73027.705519
#11 Amn Rune 62846.041170
#12 Sol Rune 41897.360780
#13 Shae Rune 32144.738395
#14 Dol Rune 21429.825597
#15 Hel Rune 14982.815564
#16 Po Rune 9988.543710
#17 Lum Rune 6827.450946
#18 Ko Rune 4551.633964
#19 Fal Rune 3053.429816
#20 Lem Rune 2035.619878
#21 Pul Rune 1340.014960
#22 Um Rune 893.343307
#23 Mal Rune 575.170167
#24 Ist Rune 383.446778
#25 Gul Rune 239.834463
#26 Vex Rune 159.889642
#27 Ohm Rune 95.969149
#28 Lo Rune 63.979432
#29 Sur Rune 35.994922
#30 Ber Rune 23.996615
#31 Jo Rune 11.999382
#32 Cham Rune 7.999588
#33 Zod Rune 1.000000