Looking through a number of Carthage and Seleucid games I've run, I couldn't find any regular elephants with experience. I'm not sure if I've ever seen a regular unit of elephants with experience from combat.
War elephants and armoured elephants, however, gain experience fairly easily- I have one Carthage campaign where some of them are up to 7 or 8 experience.
"Freedom is never more than one generation away from extinction." - Ronald Reagan
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My first book, The King's Own[This message has been edited by General Sajaru (edited 08-16-2019 @ 10:02 PM).]