protected void killOne(Unit killed, Unit killer) {
        addInfo(killed.getPlayer(), "DEFEAT: Your " + killed.getUnitType() + " on " + killed.getDeployedOn().getId()
                + " got destroyed by " + killer.getUnitType() + " from " + killer.getDeployedOn().getId() + ".");
        addInfo(killer.getPlayer(), "VICTORY: Your " + killer.getUnitType() + " on " + killer.getDeployedOn().getId()
                + " destroyed " + killed.getUnitType() + " on " + killed.getDeployedOn().getId() + ".");