// Send a Server->Client packet MyTargetSelected to the L2PcInstance player
MyTargetSelected my = new MyTargetSelected(getObjectId(), player.getLevel() - getLevel());
player.sendPacket(my);
// Send a Server->Client packet StatusUpdate of the L2NpcInstance to the L2PcInstance to update its HP bar
StatusUpdate su = new StatusUpdate(getObjectId());
su.addAttribute(StatusUpdate.CUR_HP, (int)getStatus().getCurrentHp() );
su.addAttribute(StatusUpdate.MAX_HP, getMaxHp() );
player.sendPacket(su);
// Send a Server->Client packet ValidateLocation to correct the L2NpcInstance position and heading on the client
player.sendPacket(new ValidateLocation(this));
}