Can enemy soldiers be drowned by the Nile flooding?
Yes, and some players swear by the following strategy: If the attack comes just before the inundation (Nile flooding) you can use a troop of archers to lure enemy troops out to the flood plain (keep your infantry back). The floods will wipe out all the soldiers. This tactic is not always possible depending on timing and geography, but some have found it useful in tough situations. Some may say this is cruel to order archers to their death. I haven’t found them good for much else though.