Quote Originally Posted by Thaatu
Am I the only one who uses celtic chariots as a terror weapon? When the lines are locked I take a unit of those to parade and throw javelins behind the enemy line. The enemy usually breaks just from that.
No, you are not

Sure, the Celtic chariots are utterly useless in melee and I don't train them separately, but I make good use of my Casse general units.
I keep them behind my main battle line for the morale boost during the initial clash of armies (and to intercept any light cavalry that might charge into my flacks). When the battle is well under way I bring the chariots to the flanks and charge into the middle of the enemy battle line.
Usually 2 or 3 enemy units start routing immediately, which causes such a drop in morale for the other units, that soon the entire army crumbles apart and flees.
The are also very good at rerouting rallied units.