6 difficulty levels is nice catch and I like that! In civ5 almost nobody ever played first three difficulty levels, while other were weirdly unbalanced
(prince-->king->emperor------->immortal). I like change for less but better defined difficulty levels. I guess they will be like
1) Between Settler and Chieftain
2) Between Warlord and Prince
3) Between Prince and King
4) Between King and Emperor
5) Immortal
6) Deity
Three diff levels "nerfed ai" seemed very redunant in civ5.
(prince-->king->emperor------->immortal). I like change for less but better defined difficulty levels. I guess they will be like
1) Between Settler and Chieftain
2) Between Warlord and Prince
3) Between Prince and King
4) Between King and Emperor
5) Immortal
6) Deity
Three diff levels "nerfed ai" seemed very redunant in civ5.