Here is the full list of all 27 Champion of the Gods achievements.
Survive your journey to the Underworld.
Comprehensively defeat the Minodian Priests.
Escape the Tide Caves without Neidon's aid.
Receive the silken cord for your loyalty to your patron god.
Defeat the Dweller of Demena Pass.
Earn the patronage of Love.
Defend your village against the Temach.
Defeat the Great Boar.
Earn the patronage of War.
Defy Love's advice.
Defend Kaval Canyon against the Temach.
Comprehensively defeat the Keeper of the Gallery.
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.
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.