can easily show others avatar. really just that
Even for bots, linking may be disabled on some servers. So it need administrator perm for display avatar usely. z.avatar shows your avatar. z.avatar <@user123> shows user123's avatar. z.avatar shows id's owner avatar. z.server shows server avatar z.ping shows bot's ping on server. z.davet send you a bot link for invite to other servers. z.help shows commands it can show everybody's avatar with id does not need to be in server.
