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ZOMBIE INC – THE CULT QUEST LINE GUIDE
Comprehensive Player Guide
Status: LIVE
 

WHAT IS THE CULT
The Cult is a story-driven quest line in Zombie Inc told through 10 mysterious notes and ritual quests. This is narrative horror content with unique mechanics, supernatural encounters, and boss fights.

Difficulty: Very Hard
Recommended: Mid to late game
Biome Requirement: Pine Forest (rituals must be performed here)

HOW TO START THE CULT QUEST LINE

Step 1: Find Mysterious Note #0 (The Priest Note)
The first note can spawn in two container groups:

Trash bags and junk containers (groupJunk01)

• 2% drop chance
  
  

• Trash piles, garbage cans, dumpsters
  
  

Backpacks (groupBackpacks01)

• 2% drop chance
  
  

• Lootable backpacks and zombie backpacks
  
  

Tips for finding Note #0

• Loot every trash bag and backpack found
  
  

• Clear POIs fully and check every container
  
  

• 2% drop rate means roughly 50 containers on average
  
  

• Persistence matters (this is intended to be rare)
  
  

Step 2: Read the note
Read “Mysterious Note #0” (ZombieINC_Quest_Priest) from inventory. This unlocks the ritual recipe and begins the quest line.

THE CULT PROGRESSION PATH
The Cult quest line is a linear 10-step progression tracked by challenges:

Challenge 1 (ZINCTC1): Craft the Ritual
Challenge 2 (ZINCTC2): Complete Priest Quest
Challenge 3 (ZINCTC3): Unlock Mother Quest
Challenge 4 (ZINCTC4): Complete Mother Quest
Challenge 5 (ZINCTC5): Unlock Penitence Quest
Challenge 6 (ZINCTC6): Complete Penitence Quest
Challenge 7 (ZINCTC7): Unlock Farmer Quest
Challenge 8 (ZINCTC8): Complete Farmer Quest
Challenge 9 (ZINCTC9): Unlock Father Quest
Challenge 10 (ZINCTC10): Complete Father Quest

Each step unlocks the next.

RITUAL MECHANICS

Crafting the Ritual Item
After reading Note #0, the Ritual crafting recipe becomes available.

Recipe: Ritual (ZombieINC_spawnRitual_1_TheCult)

• 100 Rotten Flesh (foodRottingFlesh)
  
  

• 50 Wood (resourceWood)
  
  

• 25 Bone (resourceBone)
  
  

• 3 Candle (candle)
  
  

• 1 Blood Bag (medicalBloodBag)
  
  

Craft time: 10 seconds
Important: Ritual only works in Pine Forest biome

Performing a Ritual

• Craft the ritual item
  
  

• The ritual quest (ZINCRitual) auto-activates
  
  

• Ritual NPCs and boss quests become available
  
  

• Reward: 666 XP
  
  

THE 5 RITUAL BOSS QUESTS
Each boss stage includes an unlock quest (for later bosses) and the boss fight quest.

All ritual NPC locations spawn roughly 350–600m away in Pine Forest.

General boss phase loop

• Travel to ritual NPC location
  
  

• Create rally point (buried marker appears)
  
  

• Stay within the radius during active phases
  
  

• Dig up buried chest
  
  

• Wait 3 seconds after opening
  
  

• Kill the boss
  
  

• Return to ritual NPC and interact
  
  

QUEST 1: THE PRIEST
Mysterious Note: #1 “Just An Innocent Girl”
Boss Quest: ZINCPriest

Boss: The Priest (BossPriest)
Buried chest contains: Suspicious Tea (Red Tea – Priest variant)

Rewards

• 666 XP
  
  

• Ritual’s Helmet (ZombieINC_armorRaiderHelmet)
  
  

• Unlocks trader interaction quest (ZINCTCTRADER1)
  
  

• Mysterious Note #2 (from buried chest)
  
  

Quest warning note: “Don’t shoot in her head…”

QUEST 2: THE MOTHER
Mysterious Note: #3 “Once An Innocent Girl”
Unlock Quest: ZINCMotherInfestedUnlock “The Immaculate Woman”
Boss Quest: ZINCMotherInfested

Unlock requirements

• Kill 3 screamers (listed as “Fallen Priests”)
  
  

• Return to ritual NPC
  
  

• Reward: 6,060 XP
  
  

Boss: The Mother (BossMotherInfested)
Buried chest contains: Red Tea – Mother variant

Rewards

• 6,060 XP
  
  

• Ritual’s Candle (ZombieINC_candle)
  
  

• Unlocks trader interaction quest (ZINCTCTRADER2)
  
  

• Mysterious Note #4
  
  

QUEST 3: THE PENITENCE
Mysterious Note: #5 “The Blind Justice”
Unlock Quest: ZINCPenitenceInfestedUnlock “The One Who Punish The Deviants”
Boss Quest: ZINCPenitenceInfested

Unlock requirements

• Craft 50 wood spikes (trapSpikesWoodDmg0)
  
  

• Craft 50 iron spikes (trapSpikesIronDmg0)
  
  

• Return to ritual NPC
  
  

• Reward: 6,060 XP
  
  

Boss: The Penitence (BossPenitenceInfested)
Buried chest contains: Red Tea – Penitence variant

Rewards

• 6,060 XP
  
  

• Ritual’s Boots (ZombieINC_armorPreacherBoots)
  
  

• Unlocks trader interaction quest (ZINCTCTRADER3)
  
  

• Mysterious Note #6
  
  

QUEST 4: THE FARMER
Mysterious Note: #7 “The Butcher”
Unlock Quest: ZINCFarmerInfestedUnlock “The Hand That Feed Us All”
Boss Quest: ZINCFarmerInfested

Unlock requirements

• Kill 7 boars
  
  

• Kill 7 chickens
  
  

• Kill 7 bears
  
  

• Kill 7 wolves/dogs
  
  

• Return to ritual NPC
  
  

• Reward: 6,060 XP
  
  

Boss: The Farmer (BossFarmerInfested)
Buried chest contains: Red Tea – Farmer variant

Rewards

• 6,060 XP
  
  

• Ritual’s Gloves (ZombieINC_armorPreacherGloves)
  
  

• Unlocks trader interaction quest (ZINCTCTRADER4)
  
  

• Mysterious Note #8
  
  

QUEST 5: THE FATHER
Mysterious Note: #9 “The Fallen King”
Unlock Quest: ZINCFatherInfestedUnlock “The Father Of Us All”
Boss Quest: ZINCFatherInfested

Unlock requirements

• Kill 1 The Mother (BossMotherInfested)
  
  

• Kill 1 The Penitence (BossPenitenceInfested)
  
  

• Kill 1 The Farmer (BossFarmerInfested)
  
  

• Return to ritual NPC
  
  

• Reward: 6,060 XP
  
  

Boss: The Father (BossFatherInfested)
Buried chest contains: Revelation’s Tea – Father variant

Rewards

• 6,060 XP
  
  

• Ritual’s Outfit (ZombieINC_armorPreacherOutfit)
  
  

• Mysterious Note #10
  
  

• Completes the main Cult storyline
  
  

TRADER INTERACTION QUESTS (SPREAD THE WORD)
After each boss stage, a trader interaction quest becomes available:

ZINCTCTRADER1 (after Priest)
ZINCTCTRADER2 (after Mother)
ZINCTCTRADER3 (after Penitence)
ZINCTCTRADER4 (after Farmer)

Objective

• Travel to nearest trader
  
  

• Interact to “share the news”
  Reward: 666 XP each
  
  

Story responses (traders do not believe the player):

• Trader 1: Radiation and “going crazy” implication
  
  

• Trader 2: Mentions collapse in the woods
  
  

• Trader 3: Claims the author was a madman who vanished
  
  

• Trader 4: Warns to stop using “substances”
  
  

FINAL REWARD QUEST

Quest: ZINCBoneKnife “This Is Only The Beginning”
Subtitle: Signature Weapon Mission – Bone Knife
Requirement: Complete all 10 Cult challenges

Flow

• Travel to NPC location
  
  

• Create rally point
  
  

• Dig buried chest
  
  

• Wait 3 seconds
  
  

• Kill Lower Priest mini-boss (MiniBossBoneKnife)
  
  

• Kill cultists while holding the Cursed Bone Knife through quest stages
  
  

• Complete objectives
  
  

Rewards

• 5,000 XP
  
  

• Cursed Bone Knife (ZombieINC_meleeWpnBladeT0BoneKnife)
  
  

Weapon Stats

• Type: Knife (Piercing)
  
  

• Base damage: 16 (perk affected)
  
  

• Attacks per minute: 120
  
  

• Durability: 250
  
  

• Mod slots: 0
  
  

RITUAL ARMOR SET – PREACHER’S ARMOR

Helmet: Ritual’s Helmet (Priest reward)

• Heavy armor
  
  

• Bartering bonus scaling (tier 1–6)
  
  

• Stun resistance scaling (tier 1–6)
  
  

Outfit: Ritual’s Outfit (Father reward)

• Heavy armor
  
  

• Damage resistance vs zombies scaling (tier 1–6)
  
  

Gloves: Ritual’s Gloves (Farmer reward)

• Heavy armor
  
  

• Damage vs zombies scaling (tier 1–6)
  
  

Boots: Ritual’s Boots (Penitence reward)

• Heavy armor
  
  

• Trap and mine trigger delay scaling (tier 1–6)
  
  

• Reduced trap incoming damage scaling (tier 1–6)
  
  

Full Set Bonus (all 4 pieces equipped)

• Reduced critical injury chance
  
  

• Reduced infection chance
  
  

• Reduced trap incoming damage
  
  

• “A sinister aura surrounds you now…”
  
  

Armor Type Notes (Heavy Armor)

• High resistance and temperature coverage
  
  

• Penalties include reduced mobility, higher stamina drain, increased noise
  
  

REWARDS SUMMARY

Total XP (full Cult line)

• Grand Total: 57,936 XP
  
  

Unique items

• Full Ritual Armor Set (4 pieces)
  
  

• Cursed Bone Knife
  
  

• Ritual’s Candle
  
  

• 10 Mysterious Notes
  
  

TIPS AND COMMON MISTAKES

Finding Note #0 faster

• Focus on POIs with lots of trash and containers
  
  

• Loot backpacks consistently (including zombie backpacks)
  
  

• Expect long hunts due to 2% drop rate
  
  

Prepare ritual materials in advance

• Rotten flesh, wood, bone are easy to stack
  
  

• Candles and blood bags are the common slowdown items
  
  

Combat preparation

• Bosses are Very Hard
  
  

• Bring healing and stamina supplies
  
  

• Stay inside the quest radius during boss phases or the quest can fail
  
  

Biome requirement (most common fail point)

• Rituals only work in Pine Forest
  
  

• Biome can be checked using F3
  
  

REPEATABILITY

Repeatable

• ZINCRitual
  
  

• All 5 boss quests
  
  

• Trader interaction quests
  
  

Not repeatable

• The 10-challenge story progression (one-time chain completion)
  
  

• Final Bone Knife reward quest (one-time)
  
  

CULT STORY SUMMARY (SHORT)
The notes tell the story of an investigator uncovering a cult and descending into madness. Ritual teas, supernatural encounters, and escalating bosses reveal the cult’s hierarchy and the final warning: this is not the end.

FAQ

Q: Where does Mysterious Note #0 drop?
Trash bags/junk containers and backpacks. 2% drop rate.

Q: Why will the ritual not activate?
Not in Pine Forest biome.

Q: Can this be done co-op?
Yes, most phases can be shared, but unlock/trader steps may vary.

Q: What happens if leaving the radius during boss phases?
Quest failure risk. Stay inside the circle.

Q: Can multiple Bone Knives be earned?
No, the final reward is one-time.