The trick to this battle is making sure you have ranged units moving up each column, because other than Clair (and using Silque's Warp ability), you won’t have any easy way to directly reach the enemy ...
It seems at first like this is going to be a fairly difficult battle: not only do you have an uphill climb to reach the front of Nuibaba’s Abode, but then most of your units can’t even hit any of the ...