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This skill should be used when the GM needs to create NPCs or monsters, generate stat blocks, determine enemy stats, design creatures, or generate adversaries for d20-style RPG encounters. Provides SRD 5.2 stat block format and NPC templates.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
SOC 직업 분류 기준
This skill should be used when the GM needs to create Apocrypha adversaries, build adversary keyword blocks, design Fear abilities, determine stress thresholds, set adversary tier and difficulty, track adversary stress during encounters, or reference adversary templates and examples for minor, standard, and major tier adversaries.
This skill should be used when the GM needs to handle Apocrypha combat situations, including resolving attacks against adversaries, dealing stress to adversaries, tracking adversary stress and defeat, spending Fear in combat, activating adversary Fear abilities, managing encounter state, or running player-rolls-everything combat encounters.
This skill should be used when the GM needs to help players create Apocrypha characters, define keywords with scoping and exclusions, handle character advancement and level-up, manage keyword splitting or retirement, track progression milestones, set up rest and recovery scenes, or reference character sheet and story templates.
This skill should be used when the GM needs to look up Apocrypha rules, check how a mechanic works, verify dice resolution, understand the hope/fear economy, reference stress rules, check keyword scoping, look up rest and recovery, understand progression and leveling, review session and act structure, or get GM guidelines for running Apocrypha.
This skill should be used when the GM needs storytelling techniques, handling player failure, NPC creation, scene pacing, or improv principles. Triggers on "fail forward", "succeed at cost", "yes and", "how do you want to do this", "NPC motivation", "scene transitions", "player agency".
This skill should be used when the GM needs to handle combat situations, including starting combat, rolling initiative, resolving attack rolls, managing combat encounters, rolling damage, tracking hit points, applying conditions, or running d20-style tactical combat. Provides combat flow, turn structure, attack resolution, and condition references.
| name | d20-monsters |
| description | This skill should be used when the GM needs to create NPCs or monsters, generate stat blocks, determine enemy stats, design creatures, or generate adversaries for d20-style RPG encounters. Provides SRD 5.2 stat block format and NPC templates. |
| version | 1.0.0 |
Create monsters, NPCs, and adversaries using the SRD 5.2 stat block format. This skill provides the standard format, reference tables, and templates for generating balanced creatures.
This skill applies when:
Every creature stat block follows this structure:
Load the full format specification from references/stat-blocks.md when detailed guidance is needed.
| CR | XP | PB | CR | XP | PB |
|---|---|---|---|---|---|
| 0 | 10 | +2 | 6 | 2,300 | +3 |
| 1/8 | 25 | +2 | 7 | 2,900 | +3 |
| 1/4 | 50 | +2 | 8 | 3,900 | +3 |
| 1/2 | 100 | +2 | 9 | 5,000 | +4 |
| 1 | 200 | +2 | 10 | 5,900 | +4 |
| 2 | 450 | +2 | 11 | 7,200 | +4 |
| 3 | 700 | +2 | 12 | 8,400 | +4 |
| 4 | 1,100 | +2 | 13 | 10,000 | +5 |
| 5 | 1,800 | +3 | 14+ | See stat-blocks.md | +5 to +9 |
| Size | Hit Die | Avg HP/Die |
|---|---|---|
| Tiny | d4 | 2.5 |
| Small | d6 | 3.5 |
| Medium | d8 | 4.5 |
| Large | d10 | 5.5 |
| Huge | d12 | 6.5 |
| Gargantuan | d20 | 10.5 |
Aberration, Beast, Celestial, Construct, Dragon, Elemental, Fey, Fiend, Giant, Humanoid, Monstrosity, Ooze, Plant, Undead
Determine the creature's narrative role:
Target CR determines the creature's power level. Use these benchmarks:
| CR | HP Range | AC | Attack Bonus | Damage/Round | Save DC |
|---|---|---|---|---|---|
| 1/4 | 10-20 | 12-13 | +3 to +4 | 4-5 | 10-11 |
| 1 | 25-45 | 13-14 | +4 to +5 | 9-14 | 12-13 |
| 5 | 80-110 | 15-16 | +6 to +8 | 35-45 | 14-15 |
| 10 | 180-220 | 17-18 | +9 to +10 | 65-75 | 17-18 |
Distribute scores based on creature role:
Brute (high STR/CON): 16, 14, 14, 10, 10, 8 Skirmisher (high DEX): 10, 16, 14, 10, 12, 8 Caster (high mental): 8, 14, 14, 16, 12, 10 Balanced: 12, 12, 12, 10, 10, 10
Calculate modifiers: (Score - 10) / 2 rounded down.
Armor Class:
Hit Points:
Every creature needs at least one attack. Calculate:
Attack Bonus = Ability modifier + Proficiency Bonus Damage = Dice + Ability modifier
For melee: usually STR-based For ranged: usually DEX-based For finesse weapons: attacker chooses STR or DEX
Add traits, bonus actions, or reactions that reinforce the creature concept. Common options:
Compare your creature's statistics to the CR benchmarks. Adjust if the offensive or defensive capabilities don't match the target CR.
Load references/npc-template.md for a complete template with inline comments explaining each field. Copy the template and fill in values for your creature.
Load references/npc-example.md for a complete Goblin Warrior stat block with detailed breakdown of how each value was calculated.
Use the mcp__corvran__roll_dice tool for randomized values:
Roll HP for a creature with 3d8 + 6:
Use the mcp__corvran__roll_dice tool:
{ "groups": [{ "n": 3, "d": 8 }], "modifier": 6 }
Roll damage for a longsword attack (1d8 + 3):
Use the mcp__corvran__roll_dice tool:
{ "groups": [{ "n": 1, "d": 8 }], "modifier": 3 }
Roll 2d6 for greatsword damage:
Use the mcp__corvran__roll_dice tool:
{ "groups": [{ "n": 2, "d": 6 }], "modifier": 4 }
The tool returns JSON with the total and individual rolls for narration.
AC: 13 (leather armor)
HP: 11 (2d8 + 2)
Speed: 30 ft.
STR 14 (+2), DEX 12 (+1), CON 12 (+1)
Attack: +4 to hit, 1d8 + 2 damage
AC: 14 (leather armor)
HP: 16 (3d8 + 3)
Speed: 30 ft.
STR 10 (+0), DEX 16 (+3), CON 12 (+1)
Attack: +5 to hit, range 80/320 ft., 1d8 + 3 damage
AC: 12 (natural armor)
HP: 45 (6d10 + 12)
Speed: 30 ft.
STR 18 (+4), DEX 8 (-1), CON 15 (+2)
Multiattack: Two slam attacks
Attack: +6 to hit, 2d6 + 4 damage
AC: 12 (15 with mage armor)
HP: 27 (6d8)
Speed: 30 ft.
INT 16 (+3), WIS 12 (+1), CON 10 (+0)
Spellcasting: INT-based, DC 13, +5 to hit
Spells: mage armor, magic missile, fireball (3rd level)
After creating a stat block, add it to the adventure's characters.md file for reference during play. Include:
This work includes material from the System Reference Document 5.2.1 ("SRD 5.2.1") by Wizards of the Coast LLC. The SRD 5.2.1 is licensed under CC-BY-4.0.