Here is the full list of all 39 SpellForce 3 achievements.
Played a practice skirmish match against the AI.
Helped all of the Refugees in Farlorn's Hope.
Defeated the Orcs in Farlon's Hope without producing extra units.
You were killed by peaceful wildlife.
Brought a tribute to the God-King.
Slew the Elder Dragon.
Dealt with Alistair.
Sided with the Deathmen in Aonir's Blade.
Freed all the prisoners when escaping from the Grey Keep.
You were killed by a tiny spider. That's actually pretty impressive.
Beat the SpellForce III campaign.
The fate of Nortander lies in your hands.
Fully upgraded Isgrimm's armor.
Stop touching the workers!
You annoyed the composer by muting the ingame music.
You fulfilled a task for the Elder Dragon.
Reached the maximum hero party level in the campaign.
Unlocked the human faction and upgraded it to the maximum.
Completed the Mentalist Ritual at Aonir's Blade.
Unlocked the elven faction and upgraded it to the maximum.
Learned how to summon Titans.
Unlocked the orc faction and upgraded it to the maximum.
Rallied all possible companions to your cause.
Sided with the Iron Falcons in Aonir's Blade.
Gave more than the bare minimum when asked for help.
Gained the allegiance of the Orcish Firewielders.
Reached hero party level 20 in the campaign.
Gained the allegiance of the Morhir Elves.
Gained the allegiance of the Wayfarers.
Claimed Mulandir as your base of operations.
If only real life were as simple as that.
Defeated the Nortander army in the Iskander Wilds.
You avatar died.
Escaped the Grey Keep with a new ally.
Finished Liannon.
Got your first level up.
Defeat a human opponent in PvP.
Played the campaign together with a friend.
Those prisoner clothes really look good on you.