Making religion system have powers from religion altar blessings, something similar to sorcery but with prayers instead. More religion items, Altars to spawn defenders for base, the more you go into the new religion system the more your character and base has better defenses. For inspiration just watch the mummy movies set in Egypt and the Scorpion King for different powers.
How long have you been playing for? We used to have religion similar to how your describing it.
They have made changes and some of the features you mentioned were removed.
Next Age is likely to be Age of Gods.
No we didn’t. Religion has only improved from Early access. Which isn’t saying much.
Either the Age of the Gods or the Аge of Trade.
Nothing else comes to mind.