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DUNGEON RANDOM MONSTER LEVEL DETERMINATION MATRIX (d20)
APPENDIX C: RANDOM MONSTER ENCOUNTERS (DMG, p. 174f) states:
Hyperlinks to the Encounter Tables by Special Locales:
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Dungeon random monster levels are determined as follows:
By locale:
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Monster Level Table
Underwater Encounters in Large Bodies of Salt Water
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LevelIIIIIIIIIVVIVIIVIIIIXXUseI.
up to 20 xp
Astral & Ethereal Encounters
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1st1–1617–1920–––––––IIII. 21–50 xp
Psionic Encounters
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2nd–3rd1–1213–1617–181920–––––IIIII.
51–150 xp
Outdoor Random Encoutners
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4th1–56–1011–1617–181920––––IIV.
151–250 xp
Outdoor Random Monster Tables
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5th1–34–67–1213–1617–181920–––IIIV.
251–500 xp
Waterborne Encounters
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6th1–23–45–67–1213–1617–181920––IVVI.
501–1000 xp
City/Town Encounters
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7th12–34–56–1011–1415–1617–181920–IIIVII.
1001–3000 xp
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8th123–45–78–1011–1415–1617–181920XVIII.
3001–5500 xp
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9th1234–56–89–1213–1516–1718–1920IIIIX.
5501–10,000 xp
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10th–11th12345–67–910–1213–1617–1920VIX.
over 10,000 xp
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12th–13th123456–78–911–1213–1819–20VIII
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14th–15th1234567–89–1112–1718–20XLesser monsters on lower levels have their numbers augmented by a like number of the same sort of creatures for each level of the dungeon beneath that of the assigned level of the monster type encountered. Example: First level monsters on the 2nd level of a dungeon will be twice as numerous as the Numbers variable indicates, i.e. 2-8 giant ants, rather than 1-4, if they are encountered on the 2nd level (or its equivalent) of a dungeon. The same is true for second level monsters encountered on the 3rd dungeon level, third level monsters on the 4th dungeon level, etc. There are two exceptions to this rule:
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16th ff.12345678–1011–1617–20VII
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NOTE: Column headers (above) are hyperlinks to the Dungeon Level Encounter tables (tabs)
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The Use column indicates the Dungeon Level Encounter table/tab to refer to for the enounter, by Party Level (Col 1).
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Here is a summary of the enounter, generated on each tab/sheet, for quick reference:
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I7 Orcs1Characters are increased by level of experience rather than by numbers encountered, as indicated in the table notes.
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II
8 Troglodytes
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III2 Ogre(s)
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IV
4 Ghast(s)
2Ninth and tenth level monsters are typically given attendant monsters, rather than greater numbers, in lower dungeon levels, i.e., a demon prince encountered on the 11th dungeon level might have a single Type I Demon attendant, while on the 15th level of the dungeon the same demon prince might have 5 such lesser demons or a pair of Type III escorts.
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V
2 Spider(s), giant
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VI
2 Wraith(s)
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VII
1 Gorgon
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VIII
1 Dragon (subtable) — Green (very old; 7 hit dice)
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IX9 XornsGreater monsters on higher levels will have their numbers reduced by 1 for each level of the dungeon above their assigned level, subject to a minimum number of 1. Example: 1-3 shadows are normally encountered on the 4th level of the dungeon; as shadows are fourth level monsters, a maximum of 2 can be encountered on the 3rd dungeon level, and but 1 on the 2nd level. (Fourth level monsters cannot be encountered on the 1st level of the dungeon.) Hydras, for instance, will have fewer heads, while creatures with attendants will have fewer or none at all on the lesser-numbered levels.
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X
1 Demon, prince: Orcus
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Therefore:
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LevelUseResult
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1stII
8 Troglodytes
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2nd–3rdII
8 Troglodytes
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4thI7 Orcs
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5thIII2 Ogre(s)
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6thIV
4 Ghast(s)
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7thIII2 Ogre(s)
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8thX
1 Demon, prince: Orcus
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9thIII2 Ogre(s)
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10th–11thVI
2 Wraith(s)
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12th–13thVIII9 Xorns
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14th–15thX
1 Demon, prince: Orcus
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16th ff.VII
1 Gorgon
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51
52
53
54
55
56
57
58
59
60
61
62
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Monster Level Table
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1st2nd–3rd4th5th6th7th8th9th
10th–11th
12th–13th
14th–15th
16th ff.
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111111111111I
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17136432222222II
67
201711754333333III
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–19171376544444IV
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–2019171311865555V
70
––201917151197666VI
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–––201917151310877VII
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––––20191716131198VIII
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–––––20191817131211IX
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––––––202020191817X
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76
77
78
79
80
81
82
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84
85
86
87
88
89
90
91
92
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