====== UO Protocol 0xAA ======

===== Attack Request Reply (5 bytes) =====

This tells the client which target they are fighting

<code>
Offset Type     Name             Description
------ -------- ---------------- ------------------------------
 0000  BYTE     cmd
 0001  UINT     serial           The serial of the current attack target
                                 serial is set to 0x00000000 when attack is refused
</code>