Vanilla Usage Spawn Rules
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biome_filter
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axolotl
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json
"minecraft:biome_filter": {
"test": "has_biome_tag",
"operator": "==",
"value": "lush_caves"
}
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bat
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"minecraft:biome_filter": {
"test": "has_biome_tag",
"operator": "==",
"value": "animal"
}
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bee
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"minecraft:biome_filter": [
{
"test": "has_biome_tag",
"operator": "==",
"value": "plains"
},
{
"test": "has_biome_tag",
"operator": "==",
"value": "sunflower_plains"
},
{
"test": "has_biome_tag",
"operator": "==",
"value": "flower_forest"
}
]
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chicken
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"minecraft:biome_filter": {
"test": "has_biome_tag",
"operator": "==",
"value": "animal"
}
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cod
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"minecraft:biome_filter": [
{
"test": "has_biome_tag",
"operator": "==",
"value": "ocean"
},
{
"test": "has_biome_tag",
"operator": "!=",
"value": "warm"
}
]
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cow
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json
"minecraft:biome_filter": {
"test": "has_biome_tag",
"operator": "==",
"value": "animal"
}
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creeper
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"minecraft:biome_filter": {
"test": "has_biome_tag",
"operator": "==",
"value": "monster"
}
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dolphin
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json
"minecraft:biome_filter": [
{
"test": "has_biome_tag",
"operator": "==",
"value": "ocean"
},
{
"test": "has_biome_tag",
"operator": "!=",
"value": "frozen"
}
]
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brightness_filter
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bat
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"minecraft:brightness_filter": {
"min": 0,
"max": 4,
"adjust_for_weather": true
}
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bee
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"minecraft:brightness_filter": {
"min": 7,
"max": 15,
"adjust_for_weather": false
}
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chicken
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json
"minecraft:brightness_filter": {
"min": 7,
"max": 15,
"adjust_for_weather": false
}
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cow
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json
"minecraft:brightness_filter": {
"min": 7,
"max": 15,
"adjust_for_weather": false
}
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creeper
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json
"minecraft:brightness_filter": {
"min": 0,
"max": 7,
"adjust_for_weather": true
}
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donkey
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json
"minecraft:brightness_filter": {
"min": 7,
"max": 15,
"adjust_for_weather": false
}
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json
"minecraft:brightness_filter": {
"min": 7,
"max": 15,
"adjust_for_weather": false
}
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drowned
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json
"minecraft:brightness_filter": {
"min": 0,
"max": 7,
"adjust_for_weather": true
}
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delay_filter
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pillager_patrol
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json
"minecraft:delay_filter": {
"min": 600,
"max": 660,
"identifier": "minecraft:pillager_patrol_easy",
"spawn_chance": 20
}
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"minecraft:delay_filter": {
"min": 600,
"max": 660,
"identifier": "minecraft:pillager_patrol_normal",
"spawn_chance": 20
}
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"minecraft:delay_filter": {
"min": 600,
"max": 660,
"identifier": "minecraft:pillager_patrol_hard",
"spawn_chance": 20
}
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density_limit
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axolotl
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json
"minecraft:density_limit": {
"underground": 5
}
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bat
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"minecraft:density_limit": {
"surface": 5
}
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cod
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"minecraft:density_limit": {
"surface": 20
}
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creeper
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"minecraft:density_limit": {
"surface": 5
}
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dolphin
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json
"minecraft:density_limit": {
"surface": 5,
"underground": 0
}
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drowned
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"minecraft:density_limit": {
"surface": 5
}
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3
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"minecraft:density_limit": {
"surface": 2
}
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json
"minecraft:density_limit": {
"surface": 2
}
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difficulty_filter
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creeper
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json
"minecraft:difficulty_filter": {
"min": "easy",
"max": "hard"
}
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drowned
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"minecraft:difficulty_filter": {
"min": "easy",
"max": "hard"
}
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"minecraft:difficulty_filter": {
"min": "easy",
"max": "hard"
}
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"minecraft:difficulty_filter": {
"min": "easy",
"max": "hard"
}
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enderman
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"minecraft:difficulty_filter": {
"min": "easy",
"max": "hard"
}
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"minecraft:difficulty_filter": {
"min": "easy",
"max": "hard"
}
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"minecraft:difficulty_filter": {
"min": "easy",
"max": "hard"
}
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ghast
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"minecraft:difficulty_filter": {
"min": "easy",
"max": "hard"
}
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disallow_spawns_in_bubble
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axolotl
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json
"minecraft:disallow_spawns_in_bubble": {}
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distance_filter
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cod
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json
"minecraft:distance_filter": {
"min": 12,
"max": 32
}
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pillager_patrol
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json
"minecraft:distance_filter": {
"min": 24,
"max": 48
}
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"minecraft:distance_filter": {
"min": 24,
"max": 48
}
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"minecraft:distance_filter": {
"min": 24,
"max": 48
}
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pufferfish
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json
"minecraft:distance_filter": {
"min": 12,
"max": 32
}
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salmon
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"minecraft:distance_filter": {
"min": 12,
"max": 32
}
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json
"minecraft:distance_filter": {
"min": 12,
"max": 32
}
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tropicalfish
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json
"minecraft:distance_filter": {
"min": 12,
"max": 32
}
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height_filter
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bat
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json
"minecraft:height_filter": {
"min": -63,
"max": 63
}
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cod
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json
"minecraft:height_filter": {
"min": 0,
"max": 64
}
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dolphin
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"minecraft:height_filter": {
"min": 0,
"max": 64
}
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glow_squid
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"minecraft:height_filter": {
"min": -64,
"max": 30
}
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pufferfish
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"minecraft:height_filter": {
"min": 0,
"max": 64
}
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salmon
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json
"minecraft:height_filter": {
"min": 0,
"max": 64
}
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json
"minecraft:height_filter": {
"min": 50,
"max": 64
}
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stray
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"minecraft:height_filter": {
"min": 60,
"max": 66
}
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herd
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axolotl
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json
"minecraft:herd": {
"min_size": 4,
"max_size": 6,
"event": "minecraft:entity_born",
"event_skip_count": 2
}
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bat
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"minecraft:herd": {
"min_size": 2,
"max_size": 2
}
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bee
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"minecraft:herd": {
"min_size": 1,
"max_size": 1
}
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chicken
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"minecraft:herd": {
"min_size": 2,
"max_size": 4
}
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cod
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"minecraft:herd": {
"min_size": 4,
"max_size": 7
}
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cow
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json
"minecraft:herd": {
"min_size": 2,
"max_size": 3
}
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dolphin
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"minecraft:herd": {
"min_size": 3,
"max_size": 5
}
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donkey
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json
"minecraft:herd": {
"min_size": 2,
"max_size": 6
}
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mob_event_filter
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pillager_patrol
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json
"minecraft:mob_event_filter": {
"event": "minecraft:pillager_patrols_event"
}
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"minecraft:mob_event_filter": {
"event": "minecraft:pillager_patrols_event"
}
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"minecraft:mob_event_filter": {
"event": "minecraft:pillager_patrols_event"
}
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permute_type
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pillager_patrol
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json
"minecraft:permute_type": [
{
"weight": 100,
"entity_type": "minecraft:pillager<minecraft:spawn_as_patrol_follower>"
}
]
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"minecraft:permute_type": [
{
"weight": 100,
"entity_type": "minecraft:pillager<minecraft:spawn_as_patrol_follower>"
}
]
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"minecraft:permute_type": [
{
"weight": 100,
"entity_type": "minecraft:pillager<minecraft:spawn_as_patrol_follower>"
}
]
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zombie
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"minecraft:permute_type": [
{
"weight": 95
},
{
"weight": 5,
"entity_type": "minecraft:zombie_villager_v2"
}
]
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player_in_village_filter
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pillager_patrol
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json
"minecraft:player_in_village_filter": {
"distance": 48,
"village_border_tolerance": 32
}
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"minecraft:player_in_village_filter": {
"distance": 48,
"village_border_tolerance": 32
}
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"minecraft:player_in_village_filter": {
"distance": 48,
"village_border_tolerance": 32
}
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spawn_event
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stray
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json
"minecraft:spawn_event": {
"event": "change_to_skeleton"
}
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"minecraft:spawn_event": {
"event": "change_to_skeleton"
}
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spawns_lava
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strider
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json
"minecraft:spawns_lava": {}
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spawns_on_block_filter
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axolotl
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json
"minecraft:spawns_on_block_filter": "minecraft:clay"
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chicken
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"minecraft:spawns_on_block_filter": "minecraft:grass"
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cow
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"minecraft:spawns_on_block_filter": "minecraft:grass"
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donkey
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"minecraft:spawns_on_block_filter": "minecraft:grass"
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json
"minecraft:spawns_on_block_filter": "minecraft:grass"
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goat
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"minecraft:spawns_on_block_filter": [
"minecraft:stone",
"minecraft:snow",
"minecraft:powder_snow",
"minecraft:snow_layer",
"minecraft:packed_ice",
"minecraft:gravel"
]
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horse
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"minecraft:spawns_on_block_filter": "minecraft:grass"
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"minecraft:spawns_on_block_filter": "minecraft:grass"
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spawns_on_block_prevented_filter
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hoglin
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json
"minecraft:spawns_on_block_prevented_filter": [
"minecraft:nether_wart_block",
"minecraft:shroomlight"
]
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magma_cube
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"minecraft:spawns_on_block_prevented_filter": [
"minecraft:nether_wart_block",
"minecraft:shroomlight"
]
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"minecraft:spawns_on_block_prevented_filter": [
"minecraft:nether_wart_block",
"minecraft:shroomlight"
]
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piglin
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"minecraft:spawns_on_block_prevented_filter": [
"minecraft:nether_wart_block",
"minecraft:shroomlight"
]
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"minecraft:spawns_on_block_prevented_filter": [
"minecraft:nether_wart_block",
"minecraft:shroomlight"
]
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skeleton
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"minecraft:spawns_on_block_prevented_filter": [
"minecraft:nether_wart_block",
"minecraft:shroomlight"
]
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zombie_pigman
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"minecraft:spawns_on_block_prevented_filter": [
"minecraft:nether_wart_block",
"minecraft:shroomlight"
]
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"minecraft:spawns_on_block_prevented_filter": [
"minecraft:nether_wart_block",
"minecraft:shroomlight"
]
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spawns_on_surface
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bee
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"minecraft:spawns_on_surface": {}
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chicken
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"minecraft:spawns_on_surface": {}
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cod
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json
"minecraft:spawns_on_surface": {}
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cow
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"minecraft:spawns_on_surface": {}
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creeper
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"minecraft:spawns_on_surface": {}
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dolphin
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"minecraft:spawns_on_surface": {}
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donkey
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json
"minecraft:spawns_on_surface": {}
1
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json
"minecraft:spawns_on_surface": {}
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spawns_underground
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axolotl
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json
"minecraft:spawns_underground": {}
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bat
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"minecraft:spawns_underground": {}
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creeper
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json
"minecraft:spawns_underground": {}
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enderman
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json
"minecraft:spawns_underground": {}
1
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json
"minecraft:spawns_underground": {}
1
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json
"minecraft:spawns_underground": {}
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ghast
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json
"minecraft:spawns_underground": {}
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glow_squid
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json
"minecraft:spawns_underground": {}
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spawns_underwater
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axolotl
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json
"minecraft:spawns_underwater": {}
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cod
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json
"minecraft:spawns_underwater": {}
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dolphin
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json
"minecraft:spawns_underwater": {}
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drowned
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json
"minecraft:spawns_underwater": {}
1
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json
"minecraft:spawns_underwater": {}
1
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json
"minecraft:spawns_underwater": {}
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glow_squid
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"minecraft:spawns_underwater": {}
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guardian
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json
"minecraft:spawns_underwater": {}
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weight
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axolotl
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"minecraft:weight": {
"default": 10
}
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bat
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"minecraft:weight": {
"default": 10
}
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bee
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"minecraft:weight": {
"default": 10
}
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chicken
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"minecraft:weight": {
"default": 10
}
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cod
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"minecraft:weight": {
"default": 75
}
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cow
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"minecraft:weight": {
"default": 8
}
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creeper
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"minecraft:weight": {
"default": 100
}
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dolphin
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"minecraft:weight": {
"default": 7
}
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world_age_filter
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pillager_patrol
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json
"minecraft:world_age_filter": {
"min": 6000
}
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"minecraft:world_age_filter": {
"min": 6000
}
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"minecraft:world_age_filter": {
"min": 6000
}
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