Here is the full list of all 27 Champion of the Gods achievements.
Defeat the Great Boar.
Defend your village against the Temach.
Earn the patronage of War.
Earn the patronage of Love.
Defy Love's advice.
Defeat the Dweller of Demena Pass.
Defend Kaval Canyon against the Temach.
Comprehensively defeat the Keeper of the Gallery.
Receive the silken cord for your loyalty to your patron god.
Escape the Tide Caves without Neidon's aid.
Comprehensively defeat the Minodian Priests.
Kill the God of Chaos.
Defeat the God of Chaos without killing him.
Join forces with the God of Chaos.
Cause the collapse of destiny.
Willfully destroy destiny, with your own hands.
Protect destiny from harm.
Survive your journey to the Underworld.
Achieve 100 victory points without accepting gifts from the gods.
Resurrect a loved-one with the aid of the gods.
Refuse all offers of aid from the gods, including resurrection.
Be romantically connected to as many characters as possible.
Reject love at every opportunity, and finish the game alone.
Maintain the trust of the gods, despite your betrayal of them.
Honor the gods with your faithful service.
Earn the undying hatred of the gods by openly betraying them.
Complete the game with the minimum amount of divine intervention.