Wavre The Lost Opportunity Grouchy was ordered to pursue the Prussians and prevent them from joining Wellington. In the afternoon of 18 June 1815, while Napoleon Bonaparte was fighting his last battle on the fields of Waterloo, Marshal Grouchy fought Thielmann's Prussian army corps near the village of Wavre. While Grouchy won the battle of Wavre, he failed to stop the Prussians from coming to the aid of Wellington at Waterloo. The rest is history... Included in the Napoleon's Last Battles Quadrigame. It was also sold separately as a folio game. Folio version includes rules, a 17" x 22" map and 100 counters.