D2 Base Drop

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Recursive Probability Table

Drops work as follows:

For a given Equip TC, there are (usually) 4 pairs of weapon and armor TC and a 'drop' possibility. The probabilities (Px) are summed (S) for the whole class and a random number is generated from 1 to S to determine the drop. If the number generates another Equip Class, then the process is repeated.

for Act 3 Equip A there is a total of 136. therefore:

2/136 chance of weap15

1/136 chance of armo15

6/136 chance of weap18

3/136 chance of armo18

14/136 chance of weap21

7/136 chance of armo21

2/136 chance of weap24

1/136 chance of armo24

and 100/136 chance of dropping to Act 2 Equip C

When you do the calculations recursively, you get the probabilities shown these tables: D2_Base_Drop_2

TreasureClasslevelI1P1I2P2I3P3I4P4I556677I8P8I9P9TotalProbDropChance
Act 1 Equip A0weap37armo37140
Act 1 Equip B5weap33armo33weap67armo67200
Act 1 Equip C9weap32armo31weap66armo63weap914armo97weap122armo121360
Act 2 Equip A12weap62armo61weap96armo93weap1214armo127weap152armo151Act 1 Equip C30660.4545
Act 2 Equip B15weap92armo91weap126armo123weap1514armo157weap182armo181Act 2 Equip A60960.6250
Act 2 Equip C18weap122armo121weap156armo153weap1814armo187weap212armo211Act 2 Equip B801160.6897
Act 3 Equip A20weap152armo151weap186armo183weap2114armo217weap242armo241Act 2 Equip C1001360.7353
Act 3 Equip B22weap182armo181weap216armo213weap2414armo247weap272armo271Act 3 Equip A2002360.8475
Act 3 Equip C24weap212armo211weap246armo243weap2714armo277weap302armo301Act 3 Equip B3403760.9043
Act 4 Equip A26weap242armo241weap276armo273weap3014armo304weap332armo331Act 3 Equip C4304630.9287
Act 4 Equip B29weap272armo271weap306armo303weap3314armo333weap362armo361Act 4 Equip A5005320.9398
Act 5 Equip A32weap272armo271weap306armo303weap3314armo333weap367armo365Act 4 Equip B6296700.9388
Act 5 Equip B34weap302armo301weap336armo332weap3614armo367weap392armo391Act 5 Equip A7317660.9543
Act 5 Equip C36weap302armo301weap336armo332weap3614armo367weap392armo391Act 5 Equip B8338680.9597
Act 1 (N) Equip A38weap332armo331weap366armo363weap3914armo397weap422armo421Act 5 Equip C9359710.9629
Act 1 (N) Equip B40weap332armo331weap366armo363weap3914armo397weap426armo423Act 1 (N) Equip A110511470.9634
Act 1 (N) Equip C42weap362armo361weap396armo393weap4214armo427weap452armo451Act 1 (N) Equip A102010560.9659
Act 2 (N) Equip A44weap362armo361weap396armo393weap4214armo427weap456armo453Act 1 (N) Equip B123312750.9671
Act 2 (N) Equip B46weap392armo391weap426armo423weap4514armo457weap482armo481Act 2 (N) Equip A110511410.9684
Act 2 (N) Equip C48weap392armo391weap426armo423weap4514armo457weap486armo483Act 2 (N) Equip A131813600.9691
Act 3 (N) Equip A50weap422armo421weap456armo453weap4814armo487weap512armo511Act 2 (N) Equip B119012260.9706
Act 3 (N) Equip B52weap422armo421weap456armo453weap4814armo487weap516armo513Act 3 (N) Equip A144514870.9718
Act 3 (N) Equip C54weap452armo451weap486armo483weap5114armo517weap542armo541Act 3 (N) Equip A127513110.9725
Act 4 (N) Equip A56weap452armo451weap486armo483weap5114armo517weap546armo543Act 3 (N) Equip B153015720.9733
Act 4 (N) Equip B58weap482armo481weap516armo513weap5414armo547weap572armo571Act 4 (N) Equip A136013960.9742
Act 4 (N) Equip C60weap482armo481weap516armo513weap5414armo547weap576armo573Act 4 (N) Equip A165817000.9753
Act 5 (N) Equip A62weap512armo511weap546armo543weap5714armo577weap602armo601Act 4 (N) Equip B144514810.9757
Act 5 (N) Equip B64weap512armo511weap546armo543weap5714armo577weap606armo603Act 5 (N) Equip A174317850.9765
Act 5 (N) Equip C66weap542armo541weap576armo573weap6014armo607weap632armo631Act 5 (N) Equip B153015660.9770
Act 1 (H) Equip A68weap542armo541weap576armo573weap6014armo607weap636armo633Act 5 (N) Equip C178518270.9770
Act 1 (H) Equip B70weap572armo571weap606armo603weap6314armo637weap662armo661Act 1 (H) Equip A153015660.9770
Act 1 (H) Equip C71weap572armo571weap606armo603weap6314armo637weap666armo663Act 1 (H) Equip A178518270.9770
Act 2 (H) Equip A73weap602armo601weap636armo633weap6614armo667weap692armo691Act 1 (H) Equip B153015660.9770
Act 2 (H) Equip B75weap602armo601weap636armo633weap6614armo667weap696armo693Act 2 (H) Equip A178518270.9770
Act 2 (H) Equip C76weap632armo631weap666armo663weap6914armo697weap722armo721Act 2 (H) Equip A153015660.9770
Act 3 (H) Equip A77weap632armo631weap666armo663weap6914armo697weap726armo723Act 2 (H) Equip B178518270.9770
Act 3 (H) Equip B78weap662armo661weap696armo693weap7214armo727weap752armo751Act 3 (H) Equip A153015660.9770
Act 3 (H) Equip C79weap662armo661weap696armo693weap7214armo727weap756armo753Act 3 (H) Equip A178518270.9770
Act 4 (H) Equip A80weap692armo691weap726armo723weap7514armo757weap782armo781Act 3 (H) Equip B153015660.9770
Act 4 (H) Equip B81weap692armo691weap726armo723weap7514armo757weap786armo783Act 4 (H) Equip A178518270.9770
Act 4 (H) Equip C82weap722armo721weap756armo753weap7814armo787weap812armo811Act 4 (H) Equip A153015660.9770
Act 5 (H) Equip A83weap752armo751weap786armo783weap8114armo817weap842armo841Act 4 (H) Equip B153015660.9770
Act 5 (H) Equip B84weap782armo781weap816armo813weap8414armo847weap872armo871Act 5 (H) Equip A153015660.9770
Act 5 (H) Equip C85weap812armo811weap846armo843weap8714armo877weap871armo871Act 5 (H) Equip B153015650.9776 ]
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