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