https://www.bloc.io/ruby-warrior/

level04.rb

class Player
  @health = nil
  def play_turn(warrior)
    # cool code goes here
    @health = warrior.health unless @health
    if warrior.feel.empty? 
      if @health < 12
        warrior.rest!
      else 
        warrior.walk! 
      end 
      @health = warrior.health
    else
      warrior.attack! 
    end
    
  end
end
  

level05.rb

class Player
  @health = nil
  def play_turn(warrior)
    # cool code goes here
    @health = warrior.health unless @health
    if warrior.feel.empty? 
      if @health < 18
        warrior.rest!
      else 
        warrior.walk! 
      end 
      @health = warrior.health
    else
      if warrior.feel.captive? 
        warrior.rescue!
      else
        warrior.attack!
      end
    end
  end
end