
worlds:
  world:
    entity_spawn:
        enderman_1_warlock:
          class: ReplaceRule
          target_type: enderman
          replace_type: warlock
          probability: 0.1
        enderman_2_dark_wizard
          class: ReplaceRule
          target_type: enderman
          replace_type: dark_wizard
          probability: 0.05
        spider_1_dark_spider:
          class: ReplaceRule
          target_type: enderman
          replace_type: dark_spider
          probability: 0.1
        spider_2_mega_spider:
          class: ReplaceRule
          target_type: enderman
          replace_type: mega_spider
          probability: 0.05

  world_nether:
    entity_spawn:

        ghast_1_polterghast:
          class: ReplaceRule
          target_type: ghast
          replace_type: polterghast
          probability: 0.3

Add simple config to naturally-spawn magic mobs
Add simple config to naturally-spawn magic mobs
