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