Having my players breifly relive visions of wars, one past, one present and one in the future. What are some things they could do that would make them "succeed" and move on other than just fighting

They are hired by the Order of the Morning to do stuff, but the order is also pretty evil and they are sort of realizing that.

One war will be them defending against a great order army and a demigod general and being overwhelmed. The next will be a coup in the largest city by the Order general against the rest of the order there. Third is the final battle they'll have alongside the rebels to retake the big city and defeat the order and the demigod general at the end of the campaign