well, it was surely often discussed, but i've recently got a repeatable ctd... that I circumvented.
while destroying the last city of os-gabella (sheaim), i crashed, at the same turn, i WB it out : crash. if I WB it out at the turn before, all is ok, 'os gabella leaves this world'...Etc;
but there is still an os-gabella with 35 score points on the leader panel.
otherwise , balance-wise (latest rife version released on the forums) getting champs and assassins and mages and angels in hut/dungeons is OP early game and totally uninteresting late game.
with doviellos i could explore all the map early, lost 2-3 scouts to bad lair results , and got 2 mages, 1 assassin, 1champ. the assassin got aerons.. before even orthus appeared; he single handely killed my second civ to get to orthus, then 2 other civs. the first civ was killed by mage + the early assassin (no extra promo).
this often happens
further, doviellos :
cannot get any blood promotions save spider and scorpion and the ones of the "national wonders"
the lions, elephant, gorilla... tigers, wyrm, wolves, lizards, griffon, hypogriffs ...etc i got with kindered spirit cannot be ported back to the capital nor can they give "blood" to recons... thus recons are generally less powerful than their counterparts of other civs. (as in most other civs, i give bear, wolf, tiger, elephant, spider (lizard and griphon if i can) on all my recons, hoarding the beasts until i have 3-4 of the lot and until building 4-5 recons..
(and only bear, gryphon, boar gorilla and ?wolf? get a special lair.... that costs a lot to build and can exist in only one city.)