Diablo

Diablo 1 Hellfire expansion guide: the Monk class, Hive and Crypt dungeons, new spells, Oils, Runes, and the hidden command.txt Easter eggs including Bard and Barbarian classes.

Overview Classes Items Quests Dungeons Shrines Play

EXPANSION ← Diablo I

🔥 Diablo 1 Hellfire Expansion

Sierra's 1997 Diablo 1 Hellfire expansion. New class, new dungeons, new items, and hidden Easter eggs.

Overview

Hellfire was developed by Synergistic Software and published by Sierra Entertainment in 1997 — notably not by Blizzard. It adds one new playable class (the Monk), two new dungeon areas, new spells, items, and quests. Blizzard considered it semi-official — they didn't prevent its release but also didn't fully endorse it. It's included free with the GOG purchase of Diablo I.

Hellfire only got one patch (v1.01) and contains some bugs that were never fixed. It was based on Diablo v1.04 rather than the final v1.09, so some D1 bug fixes are missing.

🥋 The Monk

Stat	Start	Max
Strength	25	150
Magic	15	80
Dexterity	25	150
Vitality	20	80
Life	45	—
Mana	22	—

The Monk is a staff specialist — he swings staves faster than any other class and gets bonus damage with them. He has the unique Search ability that highlights items on the ground. He's a balanced hybrid between Warrior and Rogue, with decent stats across the board but no extreme strengths.

Unique skill: Search (highlights nearby items)
Best with staves — fastest swing speed of any class/weapon combo
Balanced stat caps allow decent spell access (80 Magic)
Plays similarly to a Warrior but with better reach (staff range)

New Dungeons

🐛 The Hive (4 floors)

Accessed from a hole in the ground near Tristram. Insect-themed dungeon with new monster types: Stingers, Arachnons, Torchants, Hork Spawn. The Defiler boss awaits on floor 4. Difficulty is roughly equivalent to Caves (floors 9-12).

💀 The Crypt (4 floors)

Accessed from the cemetery in Tristram. Undead-themed dungeon with Liches, Reapers, Crypt Demons, and Skullwings. Na-Krul is the final boss on floor 4 — one of the hardest fights in the game. Difficulty exceeds Hell floors 13-16.

New Items

Oils — consumables that permanently modify items (Accuracy, Mastery, Sharpness, etc.)
Runes — not like D2 runes! These are consumables that cast a spell once (Rune of Fire, Rune of Lightning, etc.)
New uniques — several new unique rings, amulets, and a few weapons added
Auric Amulet — increases gold pickup radius (quest reward)

New Spells

Lightning Wall Like Fire Wall but lightning damage. Useful against fire-resistant enemies.

Immolation Ring of fire around the caster. Good crowd control.

Warp Teleport to the nearest staircase. Fast dungeon navigation.

Reflect Reflects a percentage of damage back to attackers.

Berserk Increases damage but reduces AC. Risky but powerful.

Ring of Fire Expanding fire ring from the caster. Area denial.

Search Highlights items and objects on the ground. Monk's class skill.

Hellfire Quests

Farmer's Orchard Auric Amulet

Talk to Lester the Farmer. Clear the first Hive level to save his orchard.

The Jersey's Jersey Random magic item

Find the Jersey's Jersey in the Hive. Return it to the farmer.

The Defiler Access to deeper Hive

Kill The Defiler on Hive floor 4. Boss fight.

Little Girl Random reward

Find the Little Girl in the Hive. Escort quest.

Grave Matters Quest progression

Enter the Crypt from the cemetery.

Cornerstone of the World Can store one item permanently

Find the Cornerstone in the Crypt.

Na-Krul Game completion (Hellfire)

Fight Na-Krul on Crypt floor 4. One of the hardest bosses.

🔓 Hidden Content (Easter Eggs)

The command.txt Trick

Hellfire has hidden content that Sierra cut before release. To unlock it, create a file called command.txt in your Hellfire directory with these lines:

cowquest

nestquest

bardtest

barbariantest

multitest

cowquest — Enables the Cow Quest (Theo/Jersey quest). A proto-Secret Cow Level!
nestquest — Enables the Hive nest quest line
bardtest — Unlocks the Bard class (uses Rogue sprite, can dual-wield)
barbariantest — Unlocks the Barbarian class (uses Warrior sprite, axes deal extra damage)
multitest — Enables multiplayer support for Hellfire (unofficial, unstable)

The Bard and Barbarian are incomplete — they use existing sprites and have basic stat adjustments. They're fun novelties but not balanced classes.

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