If I understood you correctly, then you need something like this:
on *:BAN:#:{
  .echo $chan BAN by: $nick >>> $bnick $banmask
  .kick $chan $bnick Banned by 10★彡09 $nick 10彡★, Kicked by 10★彡09 $me 10彡★

The @ prefix in an event handler indicates that you must have (OP) operator status on the channel. You can remove this.
You can also use echo to check if the event handler is work and to see what nicknames are in use.

For more information on this handler, see the mIRC client reference help document.

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