When Ogne revealed the first stage of Luke's plan to the leaders of Broteforge, they thought it was absurd. In fact, this was the exact same reaction as Luke himself when he heard the same plan the moment the blond-haired woman told him.
However, just as with the half-wolf, they pondered the possibility.
The Broteforge Empire was able to withstand Four Waves, but the last wave was a hard-fought victory that they narrowly missed. It was undeniable that Luke, unlike the Broteforge Empire itself, was managing to make headway, as he got such a powerful ally in a few weeks of travel. What else could Luke have discovered?
The leaders of Broteforge were already feeling the immense pressure of a terrible future approaching, so they all knew they needed at least a breakthrough, but would this breakthrough they so desperately sought be by going backwards?