diff --git a/app/blueprints/api/v1/raid_group_blueprint.rb b/app/blueprints/api/v1/raid_group_blueprint.rb
new file mode 100644
index 0000000..3052ca4
--- /dev/null
+++ b/app/blueprints/api/v1/raid_group_blueprint.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Api
+  module V1
+    class RaidGroupBlueprint < ApiBlueprint
+      field :name do |group|
+        {
+          en: group.name_en,
+          ja: group.name_jp
+        }
+      end
+
+      fields :difficulty, :order, :section, :extra, :hl
+
+      association :raids, blueprint: RaidBlueprint, view: :nested
+    end
+  end
+end
diff --git a/app/models/raid_group.rb b/app/models/raid_group.rb
new file mode 100644
index 0000000..3c1010b
--- /dev/null
+++ b/app/models/raid_group.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class RaidGroup < ApplicationRecord
+  has_many :raids, class_name: 'Raid', foreign_key: :group_id
+
+  def blueprint
+    RaidGroupBlueprint
+  end
+end
diff --git a/db/migrate/20230529210259_add_raid_groups_table.rb b/db/migrate/20230529210259_add_raid_groups_table.rb
new file mode 100644
index 0000000..593b5db
--- /dev/null
+++ b/db/migrate/20230529210259_add_raid_groups_table.rb
@@ -0,0 +1,10 @@
+class AddRaidGroupsTable < ActiveRecord::Migration[7.0]
+  create_table :raid_groups, id: :uuid, default: -> { "gen_random_uuid()" } do |t|
+    t.string :name_en, null: false
+    t.string :name_jp, null: false
+    t.integer :difficulty
+    t.integer :order, null: false
+    t.integer :section, default: 1, null: false
+    t.boolean :extra, default: false, null: false
+  end
+end
diff --git a/db/migrate/20230529215259_add_raid_group_to_raids.rb b/db/migrate/20230529215259_add_raid_group_to_raids.rb
new file mode 100644
index 0000000..e708a20
--- /dev/null
+++ b/db/migrate/20230529215259_add_raid_group_to_raids.rb
@@ -0,0 +1,6 @@
+class AddRaidGroupToRaids < ActiveRecord::Migration[7.0]
+  def change
+    add_reference :raids, :group, null: true, to_table: 'raid_groups', type: :uuid
+    add_foreign_key :raids, :raid_groups, column: :group_id
+  end
+end
diff --git a/db/migrate/20230530000739_add_hl_to_raid_groups.rb b/db/migrate/20230530000739_add_hl_to_raid_groups.rb
new file mode 100644
index 0000000..c302776
--- /dev/null
+++ b/db/migrate/20230530000739_add_hl_to_raid_groups.rb
@@ -0,0 +1,5 @@
+class AddHlToRaidGroups < ActiveRecord::Migration[7.0]
+  def change
+    add_column :raid_groups, :hl, :boolean, default: true, null: false
+  end
+end
diff --git a/db/migrate/20230531115422_remove_group_integer_from_raids.rb b/db/migrate/20230531115422_remove_group_integer_from_raids.rb
new file mode 100644
index 0000000..e315719
--- /dev/null
+++ b/db/migrate/20230531115422_remove_group_integer_from_raids.rb
@@ -0,0 +1,5 @@
+class RemoveGroupIntegerFromRaids < ActiveRecord::Migration[7.0]
+  def change
+    remove_column :raids, :group, :integer
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index ad74e64..658b336 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_05_03_224353) do
+ActiveRecord::Schema[7.0].define(version: 2023_05_31_115422) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "btree_gin"
   enable_extension "pg_trgm"
@@ -345,13 +345,24 @@ ActiveRecord::Schema[7.0].define(version: 2023_05_03_224353) do
     t.index ["user_id"], name: "index_parties_on_user_id"
   end
 
+  create_table "raid_groups", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+    t.string "name_en", null: false
+    t.string "name_jp", null: false
+    t.integer "difficulty"
+    t.integer "order", null: false
+    t.integer "section", default: 1, null: false
+    t.boolean "extra", default: false, null: false
+    t.boolean "hl", default: true, null: false
+  end
+
   create_table "raids", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
     t.string "name_en"
     t.string "name_jp"
     t.integer "level"
-    t.integer "group"
     t.integer "element"
     t.string "slug"
+    t.uuid "group_id"
+    t.index ["group_id"], name: "index_raids_on_group_id"
   end
 
   create_table "sparks", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
@@ -479,4 +490,5 @@ ActiveRecord::Schema[7.0].define(version: 2023_05_03_224353) do
   add_foreign_key "parties", "parties", column: "source_party_id"
   add_foreign_key "parties", "raids"
   add_foreign_key "parties", "users"
+  add_foreign_key "raids", "raid_groups", column: "group_id"
 end