diff --git a/cogs/cog_stage.py b/cogs/cog_stage.py
index 3fc2b07..4b3a573 100644
--- a/cogs/cog_stage.py
+++ b/cogs/cog_stage.py
@@ -28,21 +28,45 @@ class CogStage(Cog):
         description_localizations=in_every_locale("description", "commands", "stage"),
     )
 
-    # TODO Introduce i18n
     # TODO Maybe add an option for order?
     @command_group.command(
         name="add",
-        description="Add new event stage",
+        description=_("description", "commands", "stage_add"),
+        description_localizations=in_every_locale("description", "commands", "stage_add"),
     )
     @option(
         "event",
-        description="Name of the event",
+        description=_("description", "commands", "stage_add", "options", "event"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_add", "options", "event"
+        ),
         autocomplete=basic_autocomplete(autocomplete_active_events),
         required=True,
     )
-    @option("question", description="Question to be answered", required=True)
-    @option("answer", description="Answer to the stage's question", required=True)
-    @option("media", description="Media file to be attached", required=False)
+    @option(
+        "question",
+        description=_("description", "commands", "stage_add", "options", "question"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_add", "options", "question"
+        ),
+        required=True,
+    )
+    @option(
+        "answer",
+        description=_("description", "commands", "stage_add", "options", "answer"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_add", "options", "answer"
+        ),
+        required=True,
+    )
+    @option(
+        "media",
+        description=_("description", "commands", "stage_add", "options", "media"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_add", "options", "media"
+        ),
+        required=False,
+    )
     async def command_stage_add(
         self,
         ctx: ApplicationContext,
@@ -85,30 +109,70 @@ class CogStage(Cog):
         # TODO Make a nice message
         await ctx.respond("Event stage has been created.")
 
-    # TODO Implement the command
-    #   /stage edit <event> <stage> <order> <question> <answer> <media>
     @command_group.command(
         name="edit",
-        description="Edit the event stage",
+        description=_("description", "commands", "stage_edit"),
+        description_localizations=in_every_locale("description", "commands", "stage_edit"),
     )
     @option(
         "event",
-        description="Name of the event",
+        description=_("description", "commands", "stage_edit", "options", "event"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_edit", "options", "event"
+        ),
         autocomplete=basic_autocomplete(autocomplete_active_events),
         required=True,
     )
-    # TODO Add autofill
     @option(
         "stage",
-        description="Stage to edit",
+        description=_("description", "commands", "stage_edit", "options", "stage"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_edit", "options", "stage"
+        ),
         autocomplete=basic_autocomplete(autocomplete_event_stages),
         required=True,
     )
-    @option("order", description="Number in the event stages' order", min_value=1, required=False)
-    @option("question", description="Question to be answered", required=False)
-    @option("answer", description="Answer to the stage's question", required=False)
-    @option("media", description="Media file to be attached", required=False)
-    @option("remove_media", description="Remove attached media", required=False)
+    @option(
+        "order",
+        description=_("description", "commands", "stage_edit", "options", "order"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_edit", "options", "order"
+        ),
+        min_value=1,
+        required=False,
+    )
+    @option(
+        "question",
+        description=_("description", "commands", "stage_edit", "options", "question"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_edit", "options", "question"
+        ),
+        required=False,
+    )
+    @option(
+        "answer",
+        description=_("description", "commands", "stage_edit", "options", "answer"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_edit", "options", "answer"
+        ),
+        required=False,
+    )
+    @option(
+        "media",
+        description=_("description", "commands", "stage_edit", "options", "media"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_edit", "options", "media"
+        ),
+        required=False,
+    )
+    @option(
+        "remove_media",
+        description=_("description", "commands", "stage_edit", "options", "remove_media"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_edit", "options", "remove_media"
+        ),
+        required=False,
+    )
     async def command_stage_edit(
         self,
         ctx: ApplicationContext,
@@ -164,25 +228,37 @@ class CogStage(Cog):
 
         await ctx.respond("Event stage has been updated.")
 
-    # TODO Implement the command
-    #   /stage delete <event> <stage> <confirm>
     @command_group.command(
         name="delete",
-        description="Delete the event stage",
+        description=_("description", "commands", "stage_delete"),
+        description_localizations=in_every_locale("description", "commands", "stage_delete"),
     )
     @option(
         "event",
-        description="Name of the event",
+        description=_("description", "commands", "stage_delete", "options", "event"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_delete", "options", "event"
+        ),
         autocomplete=basic_autocomplete(autocomplete_active_events),
         required=True,
     )
     @option(
         "stage",
-        description="Stage to delete",
+        description=_("description", "commands", "stage_delete", "options", "stage"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_delete", "options", "stage"
+        ),
         autocomplete=basic_autocomplete(autocomplete_event_stages),
         required=True,
     )
-    @option("confirm", description="Confirmation of the operation", required=False)
+    @option(
+        "confirm",
+        description=_("description", "commands", "stage_delete", "options", "confirm"),
+        description_localizations=in_every_locale(
+            "description", "commands", "stage_delete", "options", "confirm"
+        ),
+        required=False,
+    )
     async def command_stage_delete(
         self, ctx: ApplicationContext, event: str, stage: str, confirm: bool = False
     ) -> None:
diff --git a/cogs/cog_user.py b/cogs/cog_user.py
index ef86870..cc73f5b 100644
--- a/cogs/cog_user.py
+++ b/cogs/cog_user.py
@@ -5,6 +5,7 @@ from discord import (
     option,
 )
 from discord.ext.commands import Cog
+from libbot.i18n import _, in_every_locale
 
 from classes import PycordUser
 from classes.pycord_bot import PycordBot
@@ -17,58 +18,71 @@ class CogUser(Cog):
     def __init__(self, bot: PycordBot):
         self.bot: PycordBot = bot
 
-    # TODO Introduce i18n
-    command_group: SlashCommandGroup = SlashCommandGroup("user", "User management")
+    command_group: SlashCommandGroup = SlashCommandGroup(
+        "user",
+        description=_("description", "commands", "user"),
+        description_localizations=in_every_locale("description", "commands", "user"),
+    )
 
     # TODO Implement the command
-    @command_group.command(
-        name="create_channel",
-        description="Create channel for the user",
-    )
-    @option(
-        "user",
-        description="Selected user",
-    )
-    async def command_user_create_channel(self, ctx: ApplicationContext, user: User) -> None:
-        await ctx.respond("Not implemented.")
+    # @command_group.command(
+    #     name="create_channel",
+    #     description="Create channel for the user",
+    # )
+    # @option(
+    #     "user",
+    #     description="Selected user",
+    # )
+    # async def command_user_create_channel(self, ctx: ApplicationContext, user: User) -> None:
+    #     await ctx.respond("Not implemented.")
 
     # TODO Implement the command
-    @command_group.command(
-        name="update_channel",
-        description="Update user's channel",
-    )
-    @option(
-        "user",
-        description="Selected user",
-    )
-    async def command_user_update_channel(self, ctx: ApplicationContext, user: User) -> None:
-        await ctx.respond("Not implemented.")
+    # @command_group.command(
+    #     name="update_channel",
+    #     description="Update user's channel",
+    # )
+    # @option(
+    #     "user",
+    #     description="Selected user",
+    # )
+    # async def command_user_update_channel(self, ctx: ApplicationContext, user: User) -> None:
+    #     await ctx.respond("Not implemented.")
 
     # TODO Implement the command
-    @command_group.command(
-        name="delete_channel",
-        description="Delete user's channel",
-    )
-    @option(
-        "user",
-        description="Selected user",
-    )
-    @option("confirm", description="Confirmation of the operation", required=False)
-    async def command_user_delete_channel(
-        self, ctx: ApplicationContext, user: User, confirm: bool = False
-    ) -> None:
-        await ctx.respond("Not implemented.")
+    # @command_group.command(
+    #     name="delete_channel",
+    #     description="Delete user's channel",
+    # )
+    # @option(
+    #     "user",
+    #     description="Selected user",
+    # )
+    # @option("confirm", description="Confirmation of the operation", required=False)
+    # async def command_user_delete_channel(
+    #     self, ctx: ApplicationContext, user: User, confirm: bool = False
+    # ) -> None:
+    #     await ctx.respond("Not implemented.")
 
-    # TODO Introduce i18n
     @command_group.command(
         name="jail",
-        description="Jail the user",
+        description=_("description", "commands", "user_jail"),
+        description_localizations=in_every_locale("description", "commands", "user_jail"),
     )
     @option(
         "user",
-        description="Selected user",
+        description=_("description", "commands", "user_jail", "options", "user"),
+        description_localizations=in_every_locale(
+            "description", "commands", "user_jail", "options", "user"
+        ),
+    )
+    @option(
+        "confirm",
+        description=_("description", "commands", "user_jail", "options", "confirm"),
+        description_localizations=in_every_locale(
+            "description", "commands", "user_jail", "options", "confirm"
+        ),
+        required=False,
     )
-    @option("confirm", description="Confirmation of the operation", required=False)
     async def command_user_jail(self, ctx: ApplicationContext, user: User, confirm: bool = False) -> None:
         if not (await is_operation_confirmed(ctx, confirm)):
             return
@@ -87,16 +101,26 @@ class CogUser(Cog):
             f"User **{user.display_name}** has been jailed and cannot interact with events anymore."
         )
 
-    # TODO Introduce i18n
     @command_group.command(
         name="unjail",
-        description="Unjail the user",
+        description=_("description", "commands", "user_unjail"),
+        description_localizations=in_every_locale("description", "commands", "user_unjail"),
     )
     @option(
         "user",
-        description="Selected user",
+        description=_("description", "commands", "user_unjail", "options", "user"),
+        description_localizations=in_every_locale(
+            "description", "commands", "user_unjail", "options", "user"
+        ),
+    )
+    @option(
+        "confirm",
+        description=_("description", "commands", "user_unjail", "options", "confirm"),
+        description_localizations=in_every_locale(
+            "description", "commands", "user_unjail", "options", "confirm"
+        ),
+        required=False,
     )
-    @option("confirm", description="Confirmation of the operation", required=False)
     async def command_user_unjail(self, ctx: ApplicationContext, user: User, confirm: bool = False) -> None:
         if not (await is_operation_confirmed(ctx, confirm)):
             return
diff --git a/locale/en-US.json b/locale/en-US.json
index e3d1cd9..f7527c1 100644
--- a/locale/en-US.json
+++ b/locale/en-US.json
@@ -116,16 +116,61 @@
             "description": "Event stage management"
         },
         "stage_add": {
-            "description": "",
-            "options": {}
+            "description": "Add new event stage",
+            "options": {
+                "event": {
+                    "description": "Name of the event"
+                },
+                "question": {
+                    "description": "Question to be answered"
+                },
+                "answer": {
+                    "description": "Answer to the stage's question"
+                },
+                "media": {
+                    "description": "Media file to be attached"
+                }
+            }
         },
         "stage_edit": {
-            "description": "",
-            "options": {}
+            "description": "Edit the event stage",
+            "options": {
+                "event": {
+                    "description": "Name of the event"
+                },
+                "stage": {
+                    "description": "Stage to edit"
+                },
+                "order": {
+                    "description": "Number in the event stages' order"
+                },
+                "question": {
+                    "description": "Question to be answered"
+                },
+                "answer": {
+                    "description": "Answer to the question"
+                },
+                "media": {
+                    "description": "Media file to be attached"
+                },
+                "remove_media": {
+                    "description": "Remove attached media"
+                }
+            }
         },
         "stage_delete": {
-            "description": "",
-            "options": {}
+            "description": "Delete the event stage",
+            "options": {
+                "event": {
+                    "description": "Name of the event"
+                },
+                "stage": {
+                    "description": "Stage to delete"
+                },
+                "confirm": {
+                    "description": "Confirmation of the operation"
+                }
+            }
         },
         "unregister": {
             "description": "Leave the selected event",
@@ -142,24 +187,38 @@
             "description": "User management"
         },
         "user_create_channel": {
-            "description": "",
+            "description": "Create channel for the user",
             "options": {}
         },
         "user_update_channel": {
-            "description": "",
+            "description": "Update user's channel",
             "options": {}
         },
         "user_delete_channel": {
-            "description": "",
+            "description": "Delete user's channel",
             "options": {}
         },
         "user_jail": {
-            "description": "",
-            "options": {}
+            "description": "Jail the user",
+            "options": {
+                "user": {
+                    "description": "Selected user"
+                },
+                "confirm": {
+                    "description": "Confirmation of the operation"
+                }
+            }
         },
         "user_unjail": {
-            "description": "",
-            "options": {}
+            "description": "Unjail the user",
+            "options": {
+                "user": {
+                    "description": "Selected user"
+                },
+                "confirm": {
+                    "description": "Confirmation of the operation"
+                }
+            }
         }
     }
 }