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spawning.yml is where you decide how Elite mobs enter your world. You can control the overall spawn rate, choose a progression style that fits your server, and fine-tune per-zone tier distributions.

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Spawn Chance

Every time a hostile NPC spawns in the world, EliteMobs rolls a dice to decide whether it becomes an Elite. This setting controls that chance. 
Spawning:
  globalSpawnChance: 0.15
ValueMeaning
0.0No elites spawn at all.
0.1515% of hostile mobs become Elites (default).
1.0Every hostile mob becomes an Elite.
Tip: On a fresh server, start with the default 0.15. If the world feels too quiet, bump it up to 0.25. If players are overwhelmed, try 0.08.

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Progression Style

This is the most important setting in the file. It determines how tier difficulty is distributed across your world. 
Spawning:
  progressionStyle: ENVIRONMENT

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ENVIRONMENT (Default)

Tiers are tied to Hytale’s built-in zone system. Early zones spawn weaker elites, late zones spawn stronger ones.
  • Zone 1 (Emerald Grove): Mostly Tier 1-2, no Tier 4-5.
  • Zone 2 (Howling Sands): Mix of Tier 1-3, rare Tier 4.
  • Zone 3 (Borea): Tier 2-5, no Tier 1.
  • Zone 4 (Devastated Lands): Tier 3-5 only, the hardest content.
This is the recommended style for most servers because it naturally matches the game’s built-in difficulty curve.

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DISTANCE_FROM_SPAWN

Difficulty increases the further players travel from world coordinates (0, 0). This creates a smooth, radiating difficulty gradient. 
Spawning:
  progressionStyle: DISTANCE_FROM_SPAWN
  distancePerTier: 1000.0
  distanceBonusInterval: 100.0
  distanceHealthBonusPerInterval: 0.01
  distanceDamageBonusPerInterval: 0.005
  distanceHealthBonusCap: 0.5
  distanceDamageBonusCap: 0.5
SettingWhat it doesDefault
distancePerTierBlocks of distance needed before the next tier unlocks. At 1000 blocks from spawn, Tier 2 starts appearing. At 2000, Tier 3, and so on.1000.0
distanceBonusIntervalEvery this many blocks, a small stat bonus is added on top of the tier multiplier.100.0
distanceHealthBonusPerIntervalHealth bonus per interval. 0.01 means +1% extra health every 100 blocks.0.01
distanceDamageBonusPerIntervalDamage bonus per interval. 0.005 means +0.5% extra damage every 100 blocks.0.005
distanceHealthBonusCapMaximum health bonus from distance. 0.5 means the distance bonus can add at most +50% health on top of the tier multiplier.0.5
distanceDamageBonusCapMaximum damage bonus from distance.0.5
This style works well with custom world generation mods or maps that don’t use Hytale’s standard zone tags.

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NONE

Any tier can spawn anywhere. Tier distribution is completely random based on the global weights. Good for hardcore servers or arenas. 
Spawning:
  progressionStyle: NONE

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Tier Weights

When using NONE or as a fallback, these weights control how likely each tier is to be chosen. 
Spawning:
  spawnChancePerTier:
    - 0.46  # Tier 1 — 46% chance
    - 0.28  # Tier 2 — 28% chance
    - 0.16  # Tier 3 — 16% chance
    - 0.08  # Tier 4 — 8% chance
    - 0.04  # Tier 5 — 4% chance
The values are weights. So no need to make it add up to 1.0. Higher values mean that tier will appear more often.

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Environment Tier Rules

When using ENVIRONMENT progression, you can override the tier distribution for specific zones and sub-zones. 
Spawning:
  enableEnvironmentTierSpawns: true
  environmentTierSpawns:
    Env_Zone1:
      enabled: true
      spawnChancePerTier: [0.60, 0.25, 0.15, 0.00, 0.00]
    Env_Zone2:
      enabled: true
      spawnChancePerTier: [0.50, 0.25, 0.18, 0.07, 0.00]
    Env_Zone3:
      enabled: true
      spawnChancePerTier: [0.00, 0.32, 0.28, 0.22, 0.18]
    Env_Zone4:
      enabled: true
      spawnChancePerTier: [0.00, 0.00, 0.40, 0.33, 0.27]
Each key is a Hytale environment identifier. The mod ships with rules for every known sub-zone (caves, dungeons, forests, etc.). If a mob spawns in a zone that has no matching rule, the default entry is used. You can add your own rules for custom environments by adding a new key that matches the environment ID. Tip: Set enabled: false on any zone rule to prevent elites from spawning there entirely. This is useful for safe zones or player towns.