I dunno, when that wandering stack of Rhyfelwyrs tried to cut my Casse campaign short it seemed to me that running rings around those javelin-wavers counter-clockwise (ie. shield side towards enemy) was a pretty good and relatively missile-proof way to make them pesky Eleuthoroi expend their throwables on something more resilient than my bare-chested infantry and whittle down their numbers. Mind you, the way they were constantly running around and redeploying also tired them out pretty neatly.

That said, the Casse generals are clearly more of a "hit and run" and psychological warfare unit than shock troops like those of other factions. Or rather, they make very effective shock troops in the right circumstances but are a tad fragile in a slugging match.