Qm said

[lch]

I don't think that the Troglodytes need to get nerfed. Their trample effect is a lot less effective than size 6 tramplers, and trampling units have the problem that they always storm deep into the enemy ranks. So while their initial attack can kill a handful of units, the volley of hits from the other units surrounding them can easily kill them in one turn. The real problem, like KO and QM already said, are hordes of tramplers that occupy a large part of the battlefield so that they don't draw hits as easily as a loose group of tramplers.

Kristoffer O said:
Elephants are supposed to break easily, and devastate the own army if they do. But if you mix them with high morale heavy infantry, they do not rout as easily. This is thematically unsound: elephants that doesn't rout because they know that their brave human friends way back dont care if some of the elephants die or get poked by spears.

This seems to present the obvious idea how to "fix" this: Make morale mixing dependent on location of the units. A little like standards, units should be inspired by their comrades in their squad around them and may get morale boost through that, but not if they fight the enemy hordes on their own, while the rest of the squad is far away.

CUnknown said:
Perhaps the best thing to do is raise the resource cost on the elephants so that you can't mass them as easily, in addition to possibly raising the gold cost.

I would not raise the gold cost, but I already thought myself that they could use some more resources. LA Arco's elephants are quite resource intensive, but the normal ones can even be massed with sloth scales.