aliases:
   - tool: &environ [DAMAGE_BLOCK_EXPLOSION, DAMAGE_STARVATION, DAMAGE_BURN, DAMAGE_ENTITY_EXPLOSION, DAMAGE_CONTACT, DAMAGE_DROWNING, DAMAGE_LAVA, DAMAGE_FIRE, DAMAGE_FALL, DAMAGE_SUFFOCATION]

   - &environNoDrop
     tool: *environ
     spawnedby: SPAWNER
     drop: [STICK, XP/0]
     flags: UNIQUE    # this means that if this drop occurs - none of the others for this creature will.

otherdrops:
    ZOMBIE:
      - trigger: MOBSPAWN
        spawnedby: SPAWNER
        drop: NOTHING
        chance: 25%
        flags: UNIQUE
      - trigger: MOBSPAWN
        spawnedby: SPAWNER
        drop: {ZOMBIE@15h, ZOMBIE@25h}
      - *environNoDrop
    ZOMBIE@15h:
      - *environNoDrop
    ZOMBIE@25h:
      - *environNoDrop
##########################################
    SKELETON:
      - trigger: MOBSPAWN
        spawnedby: SPAWNER
        drop: NOTHING
        chance: 25%
        flags: UNIQUE
      - trigger: MOBSPAWN
        spawnedby: SPAWNER
        drop: {SKELETON@15h, SKELETON@25h}
      - *environNoDrop
    SKELETON@15h:
      - *environNoDrop
    SKELETON@25h:
      - *environNoDrop