So, here’s the thorniest question the FE Battalion faces. What to do with casualties.
Using an old public domain military spreadsheet, I calculated a force of the same size and planned equipment as the battalion would be deploying to fight a defensive engagement. They smash their opponent, a larger yet foolhardy force attacking with far worse skill and equipment. The opponent is crushed (becoming combat-ineffective after only one day), they lose only four dead and some more wounded, most of whom can be saved.
Under normal circumstances, the replacements would be easy. But since the battalion’s cast involves a fixed number that can never grow higher, even lopsided victories like this turn into phyric ones. Thankfully, I can use the power of plot to regenerate the battalion between battles-after all, for obvious mechanical reasons, FE:Heroes has no permadeath whatsoever.