code: async def fetch_emoji(self, emoji_id):
          
          data = await self._state.http.get_custom_emoji(self.id, emoji_id)
          return Emoji(guild=self, state=self._state, data=data)
docs: |coro|
  
          Retrieves a custom :class:`Emoji` from the guild.
  
          .. note::
  
              This method is an API call.
              For general usage, consider iterating over :attr:`emojis` instead.
  
          Parameters
          -------------
          emoji_id: :class:`int`
              The emoji's ID.
  
          Raises
          ---------
          NotFound
              The emoji requested could not be found.
          HTTPException
              An error occurred fetching the emoji.
  
          Returns
          --------
          :class:`Emoji`
              The retrieved emoji.