Arthur is a multipurpose bot that is updated fairly regularly.
To see when new features are added, join Arthur's server and check the announcements channel.
For help, do @Arthur help (or whatever prefix you're using, set using prefix command; default is a.).
Suggestions are welcome! Do @Arthur suggest <suggestion> and join the server to see if it will be implemented.
Features such as:
Mp3 Command (download YouTube videos as mp3)
Pretty damn sexy GUIs
A fair amount of sass
Pretty darn good bot uptime
In-depth Music System
Upload your own files or play from a URL
View a paginated queue
Like your favorite songs
Loop or shuffle the queue
Play some sound effects
Webshot command (take pictures of websites)
A beautiful leveling system
View multiple leaderboard pages
Check your XP in style
See how you compare to other people on the bot, globally