Greek Major God: Asclepius, God of Medicine
Source for Asclepius
Asclepius would be a Major God for Greek Pantheon who would feactures bonuses towards max health, health regen and healing of human units
His exclusive Human Unit is Physician, a hero unit that can fight at melee with weaker damage per second than Hersir and heal allied units like a Priest, he can be trained at Temple and Town Center right at Archaic Age
His God Power grants a reliable source of food by sprouting 8 berry bushes on target area over 20 seconds
Atlantean Major God: Nyx, Goddess of Night
Source for Nyx
Nyx would be a Major God for Atlantean Pantheon who would feactures bonuses towards human units being shielded against enemy myth units abilities, hero units having greater damage multiplier against enemy myth units and town centers shielding both nearby allied units and structures against enemy god powers.
Her God Power shields target area against enemy God Powers and removes any enemy God Power effect from same area over duration.
Need help for further details of those two Major Gods though…