<vDisgaea 4: A Promise Unforgotten (θ¡öτòîμêªΦ¿ÿπâçπéúπé╣πé¼πéñπéó4 Makai Senki Disugaia F┼ì) is a 2011 tactical role-playing video game for the PlayStation 3 and the fourth in the Disgaea series by Nippon Ichi Software. The game tells the story of Valvatorez, a former tyrant leading a party to rebel against the president of the Netherworld.