Soul

 

World Setting​​

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The world is divided into two overlapping realms:

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• Day Realm – the ordinary world, where most people cannot perceive spirits.

• Night Realm – an echo-layered dimension formed from lingering attachments, promises, and forgotten memories.

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Spirits are anchored echo-beings that long to reconnect with the human world. While ordinary people cannot see them,

those who can communicate with spirits are both relied upon and socially ostracized.

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The narrative and gameplay are driven by two thematic forces:

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• Attachment-Driven Power – cooperation formed through warmth and emotional bonds.

• Fear-Driven Power – strength triggered by compulsion and unease.​​​

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Character System & Roles​

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• Spirit Binder (Player Character)

  • Weapon

    • Firearms

• Combat Role

  • Ranged DPS + Target Marking Synergy + Battlefield Control

• Ammo Types

  • Standard Rounds

    • Deal normal damage to human-type enemies and minor damage to spirit-type enemies.

  • Spirit Rounds

    • Specialized bullets that deal normal damage to spirit-type enemies.

  • Special Rounds

    • Unique ammo types tied to specific spirits, enabling synergy mechanics.

  • Honey Round

    • Applies a “Sweetness” mark.

    • The Glutton prioritizes marked targets and gains bonuses when attacking them.

  • Banner Round

    • Granted after the General’s entrance skill.

    • Shooting this round summons a battle banner at the impact location, enabling additional skill derivations.

• Battle Power Gauge

  • Generation

    • Battle Power is generated based on damage dealt by the player.
      The amount gained scales with total damage inflicted.

  • Unlocking

    • When the gauge reaches specific tiers (X stacks), spirits unlock enhanced entrance skills and new forms, increasing their battlefield impact.

  • Consumption

    • Derivation Skills

      • After an Entrance Skill, a QTE window appears.

      • The player may consume a fixed amount of Battle Power to trigger a stronger derived ability.

  • Active Skills

    • Each spirit’s active skill consumes a small amount of Battle Power.

  • Special Mechanic – Perfect Derivation

    • If the player triggers the QTE at the optimal timing, the derived skill consumes no resources.

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Spirit System

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• Core Rule

  • Only one spirit can be summoned on the battlefield at a time.

• Skill Template

  • Basic Summon

    • The player presses a number key to summon the corresponding spirit.

  • Entrance Skill

    • If the player’s Battle Power exceeds X stacks when summoning, the spirit performs an enhanced Entrance Skill instead of a basic summon.

  • Derivation Skill

    • During the recovery phase of the Entrance Skill:

    • Time briefly slows

    • A QTE prompt appears

    • The player may consume resources to trigger a stronger follow-up ability

    • Each spirit has a unique derivation mechanic requiring player coordination.

• Active Skill

  • Press F to command the active spirit to use its skill.
    Consumes a small amount of Battle Power.

• Passive Systems

• Backpack Passive

  • Shared Regeneration

    • When not summoned, spirits regenerate HP over time.​

Spirits

• 1.Glutton (Slot 1)

  • Role

    • Frontline Disruption + Ramp-Up Scaling + Sustain

  • Combat Goal

    • Establish early synergy between player and spirit through target marking and “devour” mechanics to validate cooperative combat flow.

• Design Theme

  • A culinary-obsessed gourmand who treats enemies as ingredients.

  • The more “delicious” the enemy (higher stack count), the greater the bonuses gained — which are partially shared with the player.

• On-Field Passive – “Seasoned”

  • Enemies attacked by the Glutton receive a Cooking Mark:

  • Each hit adds 1 stack (max 3 stacks)

  • Stacks last X seconds

  • Devour consumes all stacks

• Entrance Skill

  • Checks for enemies marked by Honey Rounds:

  • If found → Instantly teleports to the marked enemy and uses Devour

  • Honey-marked enemies immediately gain 3 Cooking stacks

  • If no Honey-marked target exists → Prioritizes the last enemy damaged by the player.

• Active Skill – Devour

  • Deals X damage to the current target.
    Damage scales based on Cooking stacks.

  • If Devour damage exceeds the target’s remaining HP.The enemy is consumed

  • The Glutton gains different buffs depending on: Enemy type Stack count

• 2. General (Slot 2)

  • Role

    • Frontline Tank + Aggro Control + Crowd Control

  • Combat Goal

    • Deepen player–spirit interaction by introducing resource-based derivation mechanics.
      Differentiate from the Glutton by emphasizing control and battlefield presence.

  • Character Theme

    • A fallen war general who died defending his country.
      Bound by his vow to protect, he follows the protagonist to safeguard those scarred by war.

  • Entrance Skill

    • Leaps from the air and performs a ground slam:

    • Deals X damage

    • Briefly stuns nearby enemies

  • Derivation Skill – Banner Strike

    • After the slam: Player gains a Banner Round. Shooting the Banner Round summons a battle flag from the sky.The flag, launches nearby enemies upward. Pulls enemies toward its center. The General follows with a massive sword strike dealing X damage

  • Active Skill – Guardian Formation

    • Generates a defensive banner at the player’s position.

    • Enemies entering the area are repeatedly knocked back

    • Lasts X seconds

• 3. Engineer (Slot 3)

  • Role

    • Ranged Support + Sustain + Gameplay Modifier

  • Combat Goal

    • Enhance survivability and expand combat dimensions by altering the player’s engagement style.

  • Theme

    • A brilliant but overlooked engineer in life.
      After death, she manifests as a spirit and builds mechanical companions, including a spider-like mobility rig and turret assistant.

  • On-Field Passive

    • Her assistant turret randomly fires supportive items across the battlefield.

  • Entrance Skill

    • Fires 5 healing supply packages toward the player.

    • Packages persist for X seconds

    • Restore X HP when collected

    • Remain active even if the Engineer leaves the field

  • Derivation Skill

    • The turret charges and fires a massive debuff package toward the area with the highest enemy density.

    • Player must shoot the package mid-air

    • Upon detonation, it scatters debuff items

    • Enemies that touch them receive random negative effects: Stun Vulnerability (next hit deals 2× damage)

  • Active Skill – Time Anchor Field

    • The turret fires a marker round:

    • Generates a slowing field at impact location (X seconds)

    • Enemies inside:

      • Move slower

      • Store a portion of incoming damage

      • When the field ends:

      • Stored damage is dealt again

      • Player damage extends field duration (up to X seconds).

• 4. Sword Spirit (Slot 4)

  • Role

    • Primary DPS + Background Amplifier + Player Damage Enhancer

  • Combat Goal

    • Introduce a backend scaling system while keeping the player as the primary execution and finisher.

  • Theme

    • A legendary swordmaster who voluntarily became a spirit to preserve his martial legacy.

  • On-Field Passive

    • Cannot appear physically. Instead, attaches to the player.

    • Abilities unlock through accumulated Battle Power.

    • Provides stat bonuses while attached.

  • Entrance Skill

    • Performs a massive area slash dealing X damage.

  • Derivation Skill

    • Player channels briefly, summoning a colossal sword from the sky.

    • Deals heavy AoE damage on impact

  • Active Skill – Possession

    • The Sword Spirit attaches to the player:

    • Summons 3 flying swords

    • Continuously consumes Battle Power

    • When the player hits an enemy, flying swords follow up with additional strikes

    • Works alongside other summoned spirits

    • Ends automatically when Battle Power depletes

    • Hold “4” to manually exit