WorldBorderPlus

world:

  enabled: true
  bypass: true
  outside:
    messages:
      - "&cYou entered to the &ldanger&r&c zone!"
    commands:
      - "thor %player%"
      - "effect give %player% minecraft:blindness 99999 2"
      - "effect give %player% minecraft:wither 99999 1"
  inside:
    messages:
      - "&aYou entered to the &lsafe&r&a zone."
    commands:
      - "effect clear %player% minecraft:blindness"
      - "effect clear %player% minecraft:wither"