Hit Points and Damage
Object Resilience
| Substance | AC | DR |
|---|---|---|
| Cloth, paper, rope | 11 | -- |
| Crystal, glass, ice | 13 | -- |
| Wood, bone | 15 | -- |
| Stone | 17 | 5 |
| Iron, steel | 19 | 10 |
| Mithral | 21 | 15 |
| Adamantine | 23 | 25 |
| Gromril | 25 | 30 |
Improvising Damage
| Dice | Examples |
|---|---|
| 1d10 | Heavy blow, burned by coals, hit by falling bookcase, pricked by poison needle |
| 2d10 | Struck by lightning, stumbled into fire pit |
| 4d10 | Hit by cave-in falling rubble, dropped in vat of acid |
| 10d10 | Submerged in lava, struck by crashing flying fortress |
| 24d10 | Tumbling in Elemental Plane of Fire vortex, crushed in jaws of a moon-sized monster |
Object Hit Points
| Size | Fragile | Sturdy |
|---|---|---|
| Tiny | 2 (1d4) | 5 (2d4) |
| Small | 3 (1d6) | 10 (3d6) |
| Medium | 4 (1d8) | 18 (4d8) |
| Large | 5 (1d10) | 27 (5d10) |
| 5'Cube | 22 (2d20) | 110 (10d20) |
Damage Severity
| Level | Setback | Dangerous | Deadly |
|---|---|---|---|
| 1st-4th | 1d10 | 2d10 | 4d10 |
| 5th-10th | 2d10 | 4d10 | 10d10 |
| 11th-16th | 4d10 | 10d10 | 18d10 |
| 17th-20th | 10d10 | 18d10 | 24d10 |
System Shock (DC 15)
| d10 | Effect |
|---|---|
| 1 | Drop to 0 hp |
| 2-3 | Drop to 0 hp, but stable |
| 4-5 | Stunned until end of its turn |
| 6-7 | No react's, disadv. atks/chcks |
| 8-10 | No reactions |
Grouping Effects
Gridless Area Effects
| Area | Number of Targets Hit |
|---|---|
| Cone | Size ÷ 10 (round up) |
| Cube, Square | Size ÷ 5 (round up) |
| Cylinder | Radius ÷ 5 (round up) |
| Line | Line ÷ 30 (round up) |
| Sphere, Circle | Radius ÷ 5 (round up) |
Rolling en Masse
| d20 roll needed | Success Rate |
|---|---|
| 1-5 | 1 in 1 |
| 6-12 | 1 in 2 |
| 13-14 | 1 in 3 |
| 15-16 | 1 in 4 |
| 17-18 | 1 in 5 |
| 19 | 1 in 10 |
| 20 | 1 in 20 |
Setting General DCs
| Modifier | Evenodds | Limit | Description | Reference |
|---|---|---|---|---|
| +0 | 10 | 20 | Commoner | Commoner |
| +3 | 13 | 23 | Apprentice | Acolyte, Cultist, Guard, Thug |
| +5 | 15 | 25 | Adept | Noble, Priest, Scout, Veteran, Bard |
| +7 | 17 | 27 | Master | Assassin, Champion, Master Thief |
| +11 | 21 | 31 | Hero | Archmage, Favored Consort, Warlord |
| +14 | 24 | 34 | Superhuman | Dragons, Empyrean, Archfiends |
| +20 | 30 | 40 | Superhero | Player shenanigans |
Light Sources
| Source | Bright | Dim | Duration |
|---|---|---|---|
| Dancing Lights | 0 ft. | +10 | 1 minute |
| Candle | 5 ft. | +5 | 1 hour |
| Sun/Moon Item | 15 ft. | +15 | Indefinite |
| Lamp | 15 ft. | +30 | 6 hours |
| Torch, Light | 20 ft. | +20 | 1 hour |
| Sunbeam spell | 30 ft. | +30 | 1 minute |
| Hooded Lantern | 30 ft. | +30 | 6 hours |
| Bullseye Lantern | 60 ft. | +60 | 6 hours |
| Daylight spell | 60 ft. | +60 | 1 hour |
Audible Distance
| Noise | Dice (ft.) | Range (ft.) |
|---|---|---|
| Quiet | 2d6 x 5 | 10-30 |
| Normal | 2d6 x 10 | 20-60 |
| Loud | 2d6 x 50 | 100-300 |
| Explosive | 2d6 x 100 | 200-600 |
Encounter Distance
| Terrain | Distance (x10 ft.) |
|---|---|
| Open | 6d6 |
| Forested | 2d8 |
| Hills, Wasteland | 2d10 |
| Jungle | 2d6 |
| Mountain | 4d10 |
| Underdark | 1d20 |
Visible Distance
| Visibility | Max Distance |
|---|---|
| Clear | 2 miles |
| Rain | 1 mile |
| Fog | 300 ft. |
| Height mod | x 20 |
| Clear water, bright | 60 ft |
| Clear water, dim | 30 ft |
| Murky water | 10 ft |
Encounters (4d6 - 4)
| Highs | Lows | Encounter |
|---|---|---|
| 1-2 | 23-24 | Deadly adversary |
| 3-4 | 21-22 | Lost |
| 5-6 | 19-20 | Weather/hazard |
| 7-8 | 17-18 | Adversary |
| 9-10 | 15-16 | Scenery |
| 11-12 | 12-14 | Difficult terrain |
| Highs | Lows | Encounter |
|---|---|---|
| 13-14 | 11-12 | Local fauna |
| 15-16 | 9-10 | Friendlies |
| 17-18 | 7-8 | Minor Discovery |
| 19-20 | 5-6 | Weird Things |
| 21-22 | 3-4 | Major Discovery |
| 23-24 | 1-2 | The gods favor you |
Major Discoveries
| d10 | Discovery |
|---|---|
| 1 | Lost city of a legendary race |
| 2 | Creature mutation |
| 3 | Invention/technology/magic (Helpful, Destructive) |
| 4 | Deity or planar entity |
| 5 | Artifact or religious relic |
| 6 | New land (island, continent, lost world, demiplane) |
| 7 | People (race, tribe, civilization) |
| 8 | Plant (miracle herb, fungal parasite, sapient plant) |
| 9 | Resource or wealth (gems, precious or magical metals) |
| 10 | Otherworldly object (planar portal, alien technology) |
Minor Discoveries
| d12 | Discovery |
|---|---|
| 1 | Artwork |
| 2 | Body |
| 3 | Food or drink |
| 4 | Jewelry |
| 5 | Key |
| 6 | Letter |
| 7 | Magic herbs |
| 8 | Map |
| 9 | Monster Parts |
| 10 | Secret message |
| 11 | Signet or insignia |
| 12 | Tome |
NPC Negotiation DCs
| Bonus | Relationship |
|---|---|
| +0 | Nemesis |
| +10 | Hostile |
| +15 | Averse |
| +20 | Indifferent |
| +25 | Sympathetic |
| +30 | Friendly |
| +40 | Allied |
| Threshold | Effect |
|---|---|
| 10 | No, and extra bane(s) |
| 20 | No, simple refusal |
| 30 | No, with reservations |
| 40 | Yes, but there's a catch |
| 50 | Yes, it is agreed |
| 60 | Yes, and extra boon(s) |
Source Reference
| Page | Resource |
|---|---|
| DMG 89 | Creating NPCs |
| DMG 73 | Goals |
| DMG 94 | Villains |
| XGtE 123 | Rivals |
| DMG 128 | Downtime |
| XGtE 125 | Downtime Revisited |
Mannerisms
| d10 | When Calm |
|---|---|
| 1 | Cheerful |
| 2 | Eager |
| 3 | Thoughtful |
| 4 | Sophisticated |
| 5 | Carefree |
| 6 | Manipulative |
| 9 | Mischievous |
| 10 | Dour |
| d10 | When Stressed |
|---|---|
| 1 | Withdrawn |
| 2 | Obsessive |
| 3 | Belligerent |
| 4 | Argumentative |
| 5 | Sarcastic |
| 6 | Pushy |
| 7 | Secretive |
| 8 | Calculating |
| 9 | Angry |
| 10 | Fanatical |
Approach to Conflict
| d10 | Personality Trait |
|---|---|
| 1 | Cowardly. Will surrender |
| 2 | Mercenary. Can be bribed |
| 3 | Bravado. Blusters and boasts |
| 4 | Fanatic. Prepared to die |
| 5 | Rabble. Poor discipline |
| 6 | Courageous. Stands their ground |
| 7 | Joker. Taunts the enemy |
| 8 | Hubris. Believes they can't lose |
Peer Relationships
| d8 | Relationship |
|---|---|
| 1 | Rival. Wants an ally to suffer |
| 2 | Abused. Will turncoat |
| 3 | Idolized. Allies will die for them |
| 4 | Outcast. Ignored by allies |
| 5 | Reclusive. Stand-offish |
| 6 | Selfish. Only cares for self |
| 7 | Bully. Allies will betray them |
| 8 | Comrades. Mutual trust / humor |
Assets Held or Desired
| d6 | Asset |
|---|---|
| 1 | Treasure. Money, gems, art. |
| 2 | Influence. Reputed, connected. |
| 3 | Knowledge. Lore, insight, wisdom. |
| 4 | Land. Subjects, resources, locales. |
| 5 | Skills. Arts, crafts, trained or gained |
| 6 | Magic. Powers, items, lore. |
Group Politics and Policies
| Mandate | Ethos | d8 |
|---|---|---|
| Sovereignty | Authoritarian | 1 |
| Seclusion | Xenophobic | 2 |
| Compromise | Pacifist | 3 |
| Transcendence | Spiritualist | 4 |
| d8 | Opposing Ethos | Mandate |
|---|---|---|
| 5 | Egalitarian | Liberation |
| 6 | Xenophilic | Communion |
| 7 | Militarist | Conquest |
| 8 | Materialist | Acquisition |
| d8 | Objective |
|---|---|
| 1 | Commerce. Money, trade, services. |
| 2 | Industry. Resources, production. |
| 3 | Territory. Claims, borders, enclaves. |
| 4 | Technology. Physical, magical. |
| 5 | Prestige. Respect, legitimacy. |
| 6 | Religion. Churches, cults, sects. |
| 7 | Culture. Races, ethnicities. |
| 8 | Manpower. Slaves, workers, artisans, sailors, soldiers. |
| d8 | Method |
|---|---|
| 1 | Enforcement. Overt, direct action. |
| 2 | Espionage. Covert, indirect, select. |
| 3 | Crime. Illicit, duplicitous, amoral. |
| 4 | Harmony. Willing cooperation. |
| 5 | Propaganda. Emotive media campaigns for popular support. |
| 6 | Sabotage. Reduced opposition. |
| 7 | Superiority. Quality improvement. |
| 8 | Discovery. Explore, experiment. |
Source Reference
| Page | Resource |
|---|---|
| DMG 112 | Rolling Settlements |
| DMG 113 | Rolling Buildings |
| DMG 73 | Adventure Goals |
| DMG 79 | Framing Events |
| DMG 302 | Creatures by Biome |
| XGtE 92 | Encounters by Biome |
| MToF 34 | Rolling Cults |
Sudden Twists
| d8 | Method |
|---|---|
| 1 | (N)PC seen with item |
| 2 | NPC gives information |
| 3 | Captive (N)PC(s) |
| 4 | Ally gone missing |
| 6 | Nature calls |
| 7 | Glimpse of the future |
| 8 | Enemy/ally/competitor appears |
Probability Distribution of 4d6-4
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
3
7
14
24
38
55
71
86
96
99
96
86
71
55
38
24
14
7
3
1
Two-Die Distributions
| Peaks | Values | Dice | Peak Range |
|---|---|---|---|
| 1 | 7 | d4 + d4 | [5] |
| 1 | 11 | d6 + d6 | [7] |
| 1 | 15 | d8 + d8 | [9] |
| 1 | 19 | d10 + d10 | [11] |
| 1 | 23 | d12 + d12 | [13] |
| 1 | 39 | d20 + d20 | [21] |
| 3 | 9 | d4 + d6 | [5, 7] |
| 3 | 13 | d6 + d8 | [7, 9] |
| 3 | 17 | d8 + d10 | [9, 11] |
| 3 | 21 | d10 + d12 | [11, 13] |
| 5 | 11 | d4 + d8 | [5, 9] |
| 5 | 19 | d8 + d12 | [9, 13] |
| 7 | 13 | d4 + d10 | [5, 11] |
| 9 | 15 | d4 + d12 | [5, 13] |
| 9 | 31 | d12 + d20 | [13, 31] |
| 7 | 17 | d6 + d12 | [7, 13] |
| 17 | 23 | d4 + d20 | [5, 21] |
| M-N+1 | N+M-1 | dN + dM | [N+1, M+1] |