diff --git a/.rspec b/.rspec
new file mode 100644
index 0000000..ba07ed4
--- /dev/null
+++ b/.rspec
@@ -0,0 +1,4 @@
+
+--color
+--format d
+--require spec_helper
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..9ff5402
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,5 @@
+
+source 'https://rubygems.org'
+
+gem 'rspec'
+gem 'guard-rspec', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..ddfc7b9
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,65 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    coderay (1.1.1)
+    diff-lcs (1.2.5)
+    ffi (1.9.14)
+    formatador (0.2.5)
+    guard (2.14.0)
+      formatador (>= 0.2.4)
+      listen (>= 2.7, < 4.0)
+      lumberjack (~> 1.0)
+      nenv (~> 0.1)
+      notiffany (~> 0.0)
+      pry (>= 0.9.12)
+      shellany (~> 0.0)
+      thor (>= 0.18.1)
+    guard-compat (1.2.1)
+    guard-rspec (4.7.3)
+      guard (~> 2.1)
+      guard-compat (~> 1.1)
+      rspec (>= 2.99.0, < 4.0)
+    listen (3.1.5)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+      ruby_dep (~> 1.2)
+    lumberjack (1.0.10)
+    method_source (0.8.2)
+    nenv (0.3.0)
+    notiffany (0.1.1)
+      nenv (~> 0.1)
+      shellany (~> 0.0)
+    pry (0.10.4)
+      coderay (~> 1.1.0)
+      method_source (~> 0.8.1)
+      slop (~> 3.4)
+    rb-fsevent (0.9.8)
+    rb-inotify (0.9.7)
+      ffi (>= 0.5.0)
+    rspec (3.5.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+    rspec-core (3.5.4)
+      rspec-support (~> 3.5.0)
+    rspec-expectations (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-mocks (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-support (3.5.0)
+    ruby_dep (1.5.0)
+    shellany (0.0.1)
+    slop (3.6.0)
+    thor (0.19.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  guard-rspec
+  rspec
+
+BUNDLED WITH
+   1.13.5
diff --git a/Guardfile b/Guardfile
new file mode 100644
index 0000000..3215f01
--- /dev/null
+++ b/Guardfile
@@ -0,0 +1,70 @@
+# A sample Guardfile
+# More info at https://github.com/guard/guard#readme
+
+## Uncomment and set this to only include directories you want to watch
+# directories %w(app lib config test spec features) \
+#  .select{|d| Dir.exists?(d) ? d : UI.warning("Directory #{d} does not exist")}
+
+## Note: if you are using the `directories` clause above and you are not
+## watching the project directory ('.'), then you will want to move
+## the Guardfile to a watched dir and symlink it back, e.g.
+#
+#  $ mkdir config
+#  $ mv Guardfile config/
+#  $ ln -s config/Guardfile .
+#
+# and, you'll have to watch "config/Guardfile" instead of "Guardfile"
+
+# Note: The cmd option is now required due to the increasing number of ways
+#       rspec may be run, below are examples of the most common uses.
+#  * bundler: 'bundle exec rspec'
+#  * bundler binstubs: 'bin/rspec'
+#  * spring: 'bin/rspec' (This will use spring if running and you have
+#                          installed the spring binstubs per the docs)
+#  * zeus: 'zeus rspec' (requires the server to be started separately)
+#  * 'just' rspec: 'rspec'
+
+guard :rspec, cmd: "bundle exec rspec" do
+  require "guard/rspec/dsl"
+  dsl = Guard::RSpec::Dsl.new(self)
+
+  # Feel free to open issues for suggestions and improvements
+
+  # RSpec files
+  rspec = dsl.rspec
+  watch(rspec.spec_helper) { rspec.spec_dir }
+  watch(rspec.spec_support) { rspec.spec_dir }
+  watch(rspec.spec_files)
+
+  # Ruby files
+  ruby = dsl.ruby
+  dsl.watch_spec_files_for(ruby.lib_files)
+
+  # Rails files
+  rails = dsl.rails(view_extensions: %w(erb haml slim))
+  dsl.watch_spec_files_for(rails.app_files)
+  dsl.watch_spec_files_for(rails.views)
+
+  watch(rails.controllers) do |m|
+    [
+      rspec.spec.call("routing/#{m[1]}_routing"),
+      rspec.spec.call("controllers/#{m[1]}_controller"),
+      rspec.spec.call("acceptance/#{m[1]}")
+    ]
+  end
+
+  # Rails config changes
+  watch(rails.spec_helper)     { rspec.spec_dir }
+  watch(rails.routes)          { "#{rspec.spec_dir}/routing" }
+  watch(rails.app_controller)  { "#{rspec.spec_dir}/controllers" }
+
+  # Capybara features specs
+  watch(rails.view_dirs)     { |m| rspec.spec.call("features/#{m[1]}") }
+  watch(rails.layouts)       { |m| rspec.spec.call("features/#{m[1]}") }
+
+  # Turnip features and steps
+  watch(%r{^spec/acceptance/(.+)\.feature$})
+  watch(%r{^spec/acceptance/steps/(.+)_steps\.rb$}) do |m|
+    Dir[File.join("**/#{m[1]}.feature")][0] || "spec/acceptance"
+  end
+end
diff --git a/lib/viking.rb b/lib/viking.rb
index e33b1c4..2e55427 100644
--- a/lib/viking.rb
+++ b/lib/viking.rb
@@ -13,7 +13,6 @@ def initialize(name="RandomViking", health = 100, strength = 10, weapon = nil)
     @weapon = weapon
   end
 
-
   def attack(target)
     puts "#{name} is attacking #{target.name}!"
     target.receive_attack(damage_dealt)
@@ -68,15 +67,15 @@ def check_death
 end
 
 # Run script
-oleg = Viking.new("Oleg")
-sven = Viking.new("Sven")
-oleg.attack(sven)
-oleg.pick_up_weapon(Bow.new(2))
-3.times { oleg.attack(sven) }
-sven.attack(oleg)
-sven.pick_up_weapon(Axe.new)
-3.times {sven.attack(oleg)}
-puts "\nInspecting vikings:\n"
-puts oleg.inspect
-puts sven.inspect
-puts "\n...thanks for playing.\n\n"
\ No newline at end of file
+#oleg = Viking.new("Oleg")
+#sven = Viking.new("Sven")
+#oleg.attack(sven)
+#oleg.pick_up_weapon(Bow.new(2))
+#3.times { oleg.attack(sven) }
+#sven.attack(oleg)
+#sven.pick_up_weapon(Axe.new)
+#3.times {sven.attack(oleg)}
+#puts "\nInspecting vikings:\n"
+#puts oleg.inspect
+#puts sven.inspect
+#puts "\n...thanks for playing.\n\n"
diff --git a/lib/warmup.rb b/lib/warmup.rb
index 32cc58e..50c127a 100644
--- a/lib/warmup.rb
+++ b/lib/warmup.rb
@@ -1,18 +1,21 @@
+
 class Warmup
- 
+
   # This is a user input and command-line-output
   #   test.  You need to stub out `gets` to make it work
   # And can stub out `puts` just for fun
   def gets_shout
     shout = gets.chomp.upcase
+    # shout = self.gets.chomp.upcase
+    # self.gets should evaluate to "string\n"
 
     # This is a side effect. Test it if you'd like!
-    # (optional).  
+    # (optional).
     puts shout
 
     return shout
   end
-  
+
 
   # For your spec for this one, pass in a plain old double
   #   that can accept a #size method and return something
@@ -22,15 +25,15 @@ def triple_size(array)
     return array.size * 3
   end
 
-  
+
   # Tricky! This method has side effects.  Pay attention to
   #   which object each method is called on.  Remember that
   #   "bang!" methods are in-place (destructive).
   #
   # For this method, write separate tests to show:
   #   1. The string you pass in receives the #upcase!
-  #       method call, 
-  #   2. The string you pass in receives the #reverse! 
+  #       method call,
+  #   2. The string you pass in receives the #reverse!
   #      method call,
   #   3. Your method actually returns a completely different
   #       object than the one you passed in
diff --git a/lib/weapons/bow.rb b/lib/weapons/bow.rb
index 18563ac..5794cdb 100644
--- a/lib/weapons/bow.rb
+++ b/lib/weapons/bow.rb
@@ -1,8 +1,9 @@
+
 require_relative 'weapon'
 
 class Bow < Weapon
   attr_reader :arrows
-  
+
   def initialize(arrows = 10)
     super("Bow", 2)
     @arrows = arrows
@@ -20,4 +21,4 @@ def out_of_arrows?
     @arrows <= 0
   end
 
-end
\ No newline at end of file
+end
diff --git a/spec/bow_spec.rb b/spec/bow_spec.rb
index e666e54..c0e5ba1 100644
--- a/spec/bow_spec.rb
+++ b/spec/bow_spec.rb
@@ -1 +1,42 @@
-# Your code here
\ No newline at end of file
+
+require 'weapons/bow'
+
+describe Bow do
+  let(:bow) { Bow.new }
+
+  context 'default bow configuration' do
+    it 'is instantiated with 10 arrows' do
+      default_bow = Bow.new
+      expect(default_bow.arrows).to eq(10)
+    end
+  end
+
+  context 'custom bow configuration' do
+    it 'is instantiated with given number of arrows' do
+      arrows = 1010
+      custom_bow = Bow.new(arrows)
+      expect(custom_bow.arrows).to eq(arrows)
+    end
+  end
+
+  describe '#arrows' do
+
+    it 'returns a number greater than or equal to 0' do
+      expect(bow.arrows).to be >= 0
+    end
+
+  end
+
+  describe "#use" do
+    it "decreases arrow count by one" do
+      bow.use
+      expect(bow.arrows).to eq(9)
+    end
+
+    it "throws an error if arrow count is 0" do
+      empty_bow = Bow.new(0)
+      expect{ empty_bow.use }.to raise_error(RuntimeError) # Should be RuntimeError? or Actual message?
+    end
+  end
+
+end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
new file mode 100644
index 0000000..47b39ce
--- /dev/null
+++ b/spec/spec_helper.rb
@@ -0,0 +1,103 @@
+# This file was generated by the `rspec --init` command. Conventionally, all
+# specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
+# The generated `.rspec` file contains `--require spec_helper` which will cause
+# this file to always be loaded, without a need to explicitly require it in any
+# files.
+#
+# Given that it is always loaded, you are encouraged to keep this file as
+# light-weight as possible. Requiring heavyweight dependencies from this file
+# will add to the boot time of your test suite on EVERY test run, even for an
+# individual file that may not need all of that loaded. Instead, consider making
+# a separate helper file that requires the additional dependencies and performs
+# the additional setup, and require it from the spec files that actually need
+# it.
+#
+# The `.rspec` file also contains a few flags that are not defaults but that
+# users commonly want.
+#
+# See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
+RSpec.configure do |config|
+  # rspec-expectations config goes here. You can use an alternate
+  # assertion/expectation library such as wrong or the stdlib/minitest
+  # assertions if you prefer.
+  config.expect_with :rspec do |expectations|
+    # This option will default to `true` in RSpec 4. It makes the `description`
+    # and `failure_message` of custom matchers include text for helper methods
+    # defined using `chain`, e.g.:
+    #     be_bigger_than(2).and_smaller_than(4).description
+    #     # => "be bigger than 2 and smaller than 4"
+    # ...rather than:
+    #     # => "be bigger than 2"
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  # rspec-mocks config goes here. You can use an alternate test double
+  # library (such as bogus or mocha) by changing the `mock_with` option here.
+  config.mock_with :rspec do |mocks|
+    # Prevents you from mocking or stubbing a method that does not exist on
+    # a real object. This is generally recommended, and will default to
+    # `true` in RSpec 4.
+    mocks.verify_partial_doubles = true
+  end
+
+  # This option will default to `:apply_to_host_groups` in RSpec 4 (and will
+  # have no way to turn it off -- the option exists only for backwards
+  # compatibility in RSpec 3). It causes shared context metadata to be
+  # inherited by the metadata hash of host groups and examples, rather than
+  # triggering implicit auto-inclusion in groups with matching metadata.
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+
+# The settings below are suggested to provide a good initial experience
+# with RSpec, but feel free to customize to your heart's content.
+=begin
+  # This allows you to limit a spec run to individual examples or groups
+  # you care about by tagging them with `:focus` metadata. When nothing
+  # is tagged with `:focus`, all examples get run. RSpec also provides
+  # aliases for `it`, `describe`, and `context` that include `:focus`
+  # metadata: `fit`, `fdescribe` and `fcontext`, respectively.
+  config.filter_run_when_matching :focus
+
+  # Allows RSpec to persist some state between runs in order to support
+  # the `--only-failures` and `--next-failure` CLI options. We recommend
+  # you configure your source control system to ignore this file.
+  config.example_status_persistence_file_path = "spec/examples.txt"
+
+  # Limits the available syntax to the non-monkey patched syntax that is
+  # recommended. For more details, see:
+  #   - http://rspec.info/blog/2012/06/rspecs-new-expectation-syntax/
+  #   - http://www.teaisaweso.me/blog/2013/05/27/rspecs-new-message-expectation-syntax/
+  #   - http://rspec.info/blog/2014/05/notable-changes-in-rspec-3/#zero-monkey-patching-mode
+  config.disable_monkey_patching!
+
+  # This setting enables warnings. It's recommended, but in some cases may
+  # be too noisy due to issues in dependencies.
+  config.warnings = true
+
+  # Many RSpec users commonly either run the entire suite or an individual
+  # file, and it's useful to allow more verbose output when running an
+  # individual spec file.
+  if config.files_to_run.one?
+    # Use the documentation formatter for detailed output,
+    # unless a formatter has already been configured
+    # (e.g. via a command-line flag).
+    config.default_formatter = 'doc'
+  end
+
+  # Print the 10 slowest examples and example groups at the
+  # end of the spec run, to help surface which specs are running
+  # particularly slow.
+  config.profile_examples = 10
+
+  # Run specs in random order to surface order dependencies. If you find an
+  # order dependency and want to debug it, you can fix the order by providing
+  # the seed, which is printed after each run.
+  #     --seed 1234
+  config.order = :random
+
+  # Seed global randomization in this process using the `--seed` CLI option.
+  # Setting this allows you to use `--seed` to deterministically reproduce
+  # test failures related to randomization by passing the same `--seed` value
+  # as the one that triggered the failure.
+  Kernel.srand config.seed
+=end
+end
diff --git a/spec/viking_spec.rb b/spec/viking_spec.rb
index e666e54..c232c2f 100644
--- a/spec/viking_spec.rb
+++ b/spec/viking_spec.rb
@@ -1 +1,144 @@
-# Your code here
\ No newline at end of file
+
+require 'viking'
+
+describe Viking do
+  let(:default_viking) { Viking.new }
+  before { allow(STDOUT).to receive(:puts) }
+
+  describe '#initialize' do
+    describe 'custom configuration' do
+      it 'can be instantiated with a given name' do
+        name = 'Sven'
+        sven = Viking.new(name)
+        expect(sven.name).to eq(name)
+      end
+
+      it 'can be instantiated with a given health' do
+        health = 6000
+        sven = Viking.new("", health)
+        expect(sven.health).to eq(health)
+      end
+    end
+
+    describe 'default configuration' do
+      it 'is instantiated without a weapon' do
+        expect(default_viking.weapon).to be nil
+      end
+    end
+  end
+
+  describe '#health=' do
+    it 'cannot have health manually altered after initialization' do
+      expect{ default_viking.health = 6000 }.to raise_error(NoMethodError)
+    end
+  end
+
+  describe '#pick_up_weapon' do
+    it 'raises an error unless argument is a weapon' do
+      harmless = double
+      expect { default_viking.pick_up_weapon(harmless) }.to raise_error("Can't pick up that thing")
+    end
+
+    context 'passed valid argument' do
+      let(:weapon) { double }
+      #let(:weapon, :other_weapon) { double, double }
+      #let(:weapon, :other_weapon) { [double, double] }
+      before(:each) do
+        allow(weapon).to receive(:is_a?).with(Weapon).and_return(true)
+      end
+
+      it 'sets vikings weapon to argument' do
+        default_viking.pick_up_weapon(weapon)
+        expect(default_viking.weapon).to eq(weapon)
+      end
+
+      it 'replaces vikings weapon with argument' do
+        default_viking.pick_up_weapon(weapon)
+        other_weapon = double
+        allow(other_weapon).to receive(:is_a?).with(Weapon).and_return(true)
+        default_viking.pick_up_weapon(other_weapon)
+        expect(default_viking.weapon).to eq(other_weapon)
+      end
+    end
+  end
+
+  describe '#drop_weapon' do
+    it 'sets the vikings weapon to nothing' do
+      weapon = "axe"
+      viking_with_weapon = Viking.new("", 10, 10, weapon)
+      viking_with_weapon.drop_weapon
+      expect(viking_with_weapon.weapon).to be nil
+    end
+  end
+
+  describe "#receive_attack" do
+    it 'reduces viking\'s health by given amount' do
+      damage = 3
+      starting_health = default_viking.health
+      default_viking.receive_attack(damage)
+      expect(default_viking.health).to eq(starting_health - damage)
+    end
+
+    it 'calls the take damage method on the viking' do
+      expect(default_viking).to receive(:take_damage).with(3)
+      default_viking.receive_attack(3)
+    end
+  end
+
+  describe "#attack" do
+    let(:target_viking) { Viking.new }
+    let(:damage) { 1 }
+
+    it 'reduces the targets health by some number' do
+      allow(default_viking).to receive(:damage_dealt).and_return(damage)
+      starting_health = target_viking.health
+      default_viking.attack(target_viking)
+      expect(target_viking.health).to eq(starting_health - damage)
+    end
+
+    it 'calls the #take_damage method on the target' do
+      allow(default_viking).to receive(:damage_dealt).and_return(damage)
+      expect(target_viking).to receive(:take_damage).with(damage)
+      default_viking.attack(target_viking)
+    end
+
+    it 'runs #damage_with_fist if viking has no weapon' do
+      expect(default_viking).to receive(:damage_with_fists).and_return(damage)
+      default_viking.attack(target_viking)
+    end
+
+    it 'deals damage based on fist multiplier times strength when Viking has no weapon' do
+      # 2.5 comes from fist multiplier of .25 and str = 10
+      expect(target_viking).to receive(:take_damage).with(2.5)
+      default_viking.attack(target_viking)
+    end
+
+    it 'attacking with a weapon calls damage_with_weapon' do
+      weapon = double(is_a?: true)
+      default_viking.pick_up_weapon(weapon)
+      expect(default_viking).to receive(:damage_with_weapon).and_return(0)
+      default_viking.attack(target_viking)
+    end
+
+    it 'attacking with a weapon deals damage equal to the vikings strength times the weapon\'s multiplier' do
+      weapon = double(use: 7, is_a?: true)
+      default_viking.pick_up_weapon(weapon)
+      expect(target_viking).to receive(:take_damage).with(70)
+      default_viking.attack(target_viking)
+    end
+
+    it 'attacking with an empty bow uses fists instead' do
+      bow = double("bow", is_a?: true, out_of_arrows?: true)
+      allow(bow).to receive(:use).and_raise("Out of arrows")
+      default_viking.pick_up_weapon(bow)
+      expect(default_viking).to receive(:damage_with_fists).and_return(0)
+      default_viking.attack(target_viking)
+    end
+
+    it 'a viking to 0 or less health raises an error' do
+      unhealthy_viking = Viking.new('Keith', 0)
+      expect{ unhealthy_viking.receive_attack(damage)}.to raise_error("Keith has Died...")
+    end
+  end
+
+end
diff --git a/spec/warmup_spec.rb b/spec/warmup_spec.rb
new file mode 100644
index 0000000..d2a86ec
--- /dev/null
+++ b/spec/warmup_spec.rb
@@ -0,0 +1,58 @@
+
+require 'warmup'
+
+describe Warmup do
+  let(:warmup) { Warmup.new }
+  before { allow(STDOUT).to receive(:puts) }
+
+  describe '#gets_shout' do
+    before(:each) do
+      allow(warmup).to receive(:gets).and_return("string\n")
+    end
+
+    it 'puts shout to stdout' do
+      expect{ warmup.gets_shout }.to output(/^S.+/).to_stdout
+    end
+
+    it 'gets input from stdin, removes trailing whitespace, and upcases it' do
+      expect(warmup.gets_shout).to eq("STRING")
+    end
+
+  end
+
+  describe '#triple_size' do
+
+    it 'returns an integer that is three times the length of the argument array' do
+      array = double(size: 8)
+      expect(warmup.triple_size(array)).to eq(24)
+    end
+  end
+
+
+  describe '#calls_some_methods' do
+    let(:string) do
+      double("String")
+    end
+
+    before(:each) do
+      allow(string).to receive(:empty?).and_return(false)
+      allow(string).to receive(:upcase!).and_return(string)
+      allow(string).to receive(:reverse!)
+    end
+
+    it 'calls upcase! on argument string' do
+      expect(string).to receive(:upcase!)
+      warmup.calls_some_methods(string)
+    end
+
+    it 'calls reverse! on argument string' do
+      expect(string).to receive(:reverse!)
+      warmup.calls_some_methods(string)
+    end
+
+    it 'returns unique object' do
+      returned_string = warmup.calls_some_methods(string)
+      expect(returned_string.object_id).not_to eql(string.object_id)
+    end
+  end
+end