def extension
    case @id
    when 1, 34  # Incapacitated State.  Has highest priority.
      return ["NOPOP","EXCEPTENEMY"]
    when 2  # Poison
      return ["SLIPDAMAGE"]
    when 18 # 2-Man Tech
      return ["ZEROTURNLIFT","HIDEICON"]
    when 19 # 4-Man Tech
      return ["ZEROTURNLIFT","HIDEICON"]
    when 20 # Cat Transformation
      return ["HIDEICON","NOSTATEANIME"]
    when 27 # Regénération
      return ["SLIPDAMAGE"]
      when 29 # Auto-vie 80 %
        return ["AUTOLIFE/80"]
      when 30
        return ["PHYREFLECT/39"]
      when 31
        return ["MAGREFLECT/39"]
    when 32
        return ["PHYNULL/39"]
      when 33
        return ["MAGNULL/39"]
    end
    # Default extension that applies if state is not assigned above.
    return ["NONE"]
  end

when 27
      return ["SLIPDAMAGE"]

  def slip_extension
    case @id
    when 2  # Poison
      return [["hp", 0, 7, true, true]]
    end
    return []
  end
  end

    when 27
        return [["hp", 0, -7,true,true]]