Given all of the background and history about Caesar, it seems that he is MUCH more like Alexander the Great than he is like Julius Caesar. The implication of that aspect is that if Caesar dies, the most likely immediate result would be a Legion civil war as the various lieutenants sort out who is to assume the Top Dog position. Though the most notable subordinate to Caesar is Lanius, he's far too Tactical to be THE person in charge. (He makes a MUCH better pit bull for someone else than being the dog owner.) There's no mention of Caesar's offspring, so no hereditary heir to rise to the throne. Lucius
might be able to make a bid, but I'd expect that not anyone outside of the Praetorians would support such a bid.
Anyway, it IS possible for Caesar to be dead before the Final Battle. My question is
why does the Legion _still_ push for the dam, as opposed to (more logically) pulling back and sort out the answer to "Who's in charge?"
[Historical parallel] The Mongols were just moving into Europe and had pretty much obliterated Persia when back home in Mongolia/China the Great Khan died without a clear cut _single_ successor. Because of the Great Khan's death, the Mongolian expansion slammed on the brakes and pulled back, giving Europe the breather it needed to survive. Because the Mongolian Empire essentially fragmented, it never resumed the massive expansion program that had been going on.