The Alexandrian

Book of Fiends 5E - Green Ronin

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PROCEDURAL ENCOUNTER TABLE

d100EncounterTracks %Lair %
1-5Roll on Environmental Encounters Table.--
610d10 lemures (MM, p. 76)40%10%
75d10 imps (MM, p. 76)20%20%
820 + 10d10 nupperibo (DIA, p. 239)40%10%
91d10 x 10 abyssal chickens (DIA, p. 97)30%Nil
102d6+2 hell hounds (MM, p. 182)50%20%
111d4+2 barbed devils (MM, p. 70)40%10%
123d4+2 bearded devils (MM, p. 70)30%10%
131d2 bone devils (MM, p. 71)40%25%
141d3 chain devils (MM, p. 72)40%35%
151d2 erinyes (MM, p. 73)40%20%
161d2 horned devils (MM, p. 74) 40%20%
173d6+4 spined devils (MM, p. 78)25%20%
181d4 black abishai (TOF, p. 160)10%25%
191 green abishai (TOF, p. 162)40%20%
201d4+1 white abishai (DIA, p. 241)25%10%
211 hellfire engine (TOF, p. 165)60%Nil
222d4+1 merregon (DIA, p. 238) + 2d6+3 lesser merregon (EGD, p. 184)40%20%
231 narzugon (DIA, p. 239)40%30%
242d3+1 lesser narzugon (EGD, p. 181)40%25%
251d3 howlers (TOF, p. 210)40%20%
263d4+2 bulezau (DIA, p. 230)40%15%
271d3 fiendish flesh golems (DIA, p. 236)30%10%
281d6 hellwasps (DIA, p. 236)25%20%
292d4+1 mindkiller nettles (SSA, p. 28)10%50%
302d3 mymexleon (SSA, p. 29)25%45%
311 greater + 1d4-1 lesser screaming ash elementals (SSA, p. 31)20%5%
321 assassin devils + 1d2 devil dancers (EGD, p. 171)20%20%
331 harvester devil (EGD, p. 180)40%30%
341d4 asakku (BOF, p. 144)25%40%
351d2 ashemdes (BOF, p. 145)50%20%
361d2 bulugons (BOF, p. 148)40%10%
371d3 chamagons (BOF, p. 149)40%15%
381d3 distenders (BOF, p. 152)40%20%
391 faceless (BOF, p. 155)30%10%
401 falstaff (BOF, p. 156)40%20%
412d3-1 felugons (BOF, p. 157)25%25%
422d3-1 gladiatrixes (BOF, p. 160)40%30%
432d4+2 hellwardens (BOF, p. 163)5%95%
443d4 x 10 herlekins (BOF, p. 164)40%20%
451d2+1 keres (BOF, p. 167)40%25%
461d2 magugons (BOF, p. 170)40%20%
471d4 pain mistresses (BOF, p. 174)40%20%
482d3 soulsniffers (BOF, p. 177)40%10%
491d6+6 spinders (BOF, p. 178)40%30%
502d3 vierhaander (BOF, p. 181)25%20%
511d2 fallen angels (BOF, p. 185)40%20%
522d4+2 bonedreg bipeds (BOF, p. 203)30%20%
532d6+10 bonedreg quadrupeds (BOF, p. 203)30%20%
541d2+1 hell horses (BOF, p. 207)40%20%
551d2 kok-lirs (BOF, p. 211)50%30%
561 oubliette (BOF, p. 215)50%20%
572d4+1 painshriekers (BOF, p. 217)40%20%
581d2 darksphinexes (BOF, p. 221)40%50%
591d3 spineseekers (BOF, p. 222)10%5%
601 arcanoloth (MM, p. 313)40%25%
612d3 mezzoloths (MM, p. 313)40%25%
621d2 nycaloths (MM, p. 314)40%25%
%1 ultraloth (MM, p. 314)40%25%
641d2 balhannoth (TOF, p. 119)40%25%
651d3 canoloths (TOF, p. 247)40%25%
661d3+1 dhergoloths (TOF, p. 248)40%25%
671 yagnoloth (TOF, p. 252)40%25%
68-72Thalamra the Warlord Hunter (Part 7G)20%Nil
73-87Roll on Avernian Warlord Table.--
88-91Demon Band (EIA, p. 7)--
92-95Blood War Battle (EIA, p. 5)--
96-00Roll on Dangerous Devils Table.--

Tip: The Procedural Encounters table will generally produce homogenous encounters with only a single creature type. Although it requires more dice rolling (and some creative interpolation to explain the results), you can quickly generate mixed encounters by rolling twice and halving the number of creatures of each type appearing (round up).

You may discover that it’s actually easier to improvise creative encounters by generating mixed results, because the pairing of different devil types will spur your creativity in explaining what they’re doing together.

STYX ENCOUNTERS

d20EncounterTracks %Lair %
1Hydroloth Gondola (EIA, p. 14)--
2Lost Assassin (EIA, p. 14)--
3Kraken Released (EIA, p. 15)--
41d2 hydroloths (TOF, p. 249)10%50%
51 merrenoloth (TOF, p. 250)10%10%
61d2 froghemoths (GTM, p. 145)40%20%
72d6 cranium crabs (SSA, p.8 )25%25%
81d3 false cleric fish (SSA, p 14)5%Nil
91d3 styxglider (SSA, p. 35)40%20%
101d4 crun (BOF, p. 106)10%Nil
112d6+2 hydraggon (BOF, p. 195)10%20%
12-14Kelton Hunter's Ship (Part 7G)--
15-16Naval Battle (EIA, p. 15)--
17-18Devil Patrol Boat (EIA, p. 12)--
19-20Demon Skiff (EIA, p. 12)--

ENVIRONMENTAL ENCOUNTERS

d12Environmental Encounter
1Landslide! (IE, p. 7)
2Quicksand (DMG, p. 110)
3Razorvine (DMG, p. 110)
4Rocks of the Damned
5Bonefield
6-7Avernian Fireballs
8-9Infernal Wreck
10-12Oppressive Conditions

ROCKS OF THE DAMNED: Some of the rocks in Avernus seem to have tormented faces etched into them.

BONEFIELD: A field of bleached bones lying half-buried in the dunes or choking a razor-sharp ravine These are remnants of some ancient battle. (Avernian bonefields often feature titanic skeletons that will tower over the PCs.)

AVERNIAN FIREBALLS: Travelers in Avernus are periodically plagued with balls of flaming energy that spontaneously erupt without apparent reason. They inflict 5d6 fire damage, with a DC 15 Dexterity saving throw for half damage.

INFERNAL WRECK: 1d3 wrecked infernal war machines. The PCs can likely scavenge parts from them. There’s a 1 in 6 chance that the machine can be repaired without completely overhauling it.

OPPRESSIVE CONDITION: Trigger an oppressive condition, as described in Part 7B. This will exist in addition to any oppressive conditions already present.

AVERNIAN WARLORDS

See Part 7E: Warlords of Avernus for more details on the warlords. You can roll on the table below to randomly determine which warlord’s faction has been encountered. There is a 1 in 4 chance that the warlord is present for the encounter, otherwise it’s just an appropriate squad of their gang members (most likely riding infernal war machines).

d8Warlord
1Algoran
2Bitter Breath
3Carol D'Vown
4Feonor
5Kolasiah, the Infernal Medusa
6Princeps Kovik
7Raggadragga
8Roll Again Twice

DANGEROUS DEVILS

d12EncounterTracks %Lair %
1Pit Fiend (MM, p. 77)50%65%
2Blue Abishai (TOF, p. 161)30%60%
3Red Abishai (TOF, p. 162)50%50%
4Amnizu (DIA, p. 228)50%65%
5Concordant Killer (EGD, p. 170)40%20%
6Balan and the Infernal Hunt (BOF, p. 146)50%Nil
7Ignagon (BOF, p. 166)40%20%
8Malgrin (BOF, p. 171) + 5 devil squads (EIA, p. 8)60%30%
9Ahrimanes (BOF, p. 186)50%60%
10Vulcan Demolisher (BOF, p. 229)50%20%
11-12House of Gore (DDAL09-19)50%-

Go to Part 7H-D: Advanced Encounter Options

One Response to “Remixing Avernus – Part 7H-C: Procedural Encounters”

  1. Nell says:

    Do you recommend giving Infernal Warmachines to some or all the creature that could use one?
    Because the players will have one really soon after leaving Hellturel, and since those machine have a speed of 100ft’ they can easily roll away from every encounter.

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