So you can track that person that keeps changing their username
In the bot you can enable the log channel in this channel there will be messages if someone joins or leaves your server
Utili can log deleted and edited messages in a log channel.
This bot logs user actions
Customisable logging features, such as channel events, member events, voice events, server events, and message events.
Log the message deleted, message edite etc.. for your server and can be customised to on/off
Logging System based on events
Modlogs are available to keep track of who does what
Full logging capabilities for messages, join/leave and moderation commands! Configurable on the Retr0n Dashboard.
Not Quite Nitro
As well as allowing any user to post any emote, NQN allows moderators to create a special channel to log messages the bot has reposted.