Here is the full list of all 35 SpellForce 3: Fallen God achievements.
Beat the Fallen God campaign on Circle Mage difficulty.
Win a ranked match playing Trolls.
Finish any ranked match.
Collect all Hybernian Writings.
Collect the maximum amount of bone dust.
Have Zazka carry five ingredients at once.
Have Noag collect a total of 100 junk.
Make a decision in the Mountain Village.
Have Grungwar buff Akrog's totem.
Fight dwarves with a special kind of uprising.
Escort the harvester for a second round.
Finish the Fallen God campaign with the tribe.
Summon five Ancestor Spirits simultaneously.
Build every type of Ironbeak at least once.
Accumulate 100 Rage points with Noag.
Craft 50 items.
Unlock all areas in the Temple of the Sacred Seal.
Tinkerer
Find three hidden statues near the smith.
Spend 30+ hours in one playthrough of Fallen God.
Play the Fallen God campaign in co-op with a friend.
Use a Potion of Fresh Start.
Look at the credits of your own volition (or because you really want this achievement).
Finish the Fallen God campaign without the tribe.
Skip 100 dialogues.
Fully assemble the body of Zarach's cub.
Solve the mosaic puzzle.
Succesfully train a War Bringer.
Complete the optional Brittlebone Fields mission.
Get your entire party killed.
Find all optional Time Windows in the Temple of the Sacred Seal.
Sidegrade a Troll unit by sending it to a different school.
Revive a fallen hero.
Eat Chieftain Narjak's heart.
Summon Mugwa's Cub.