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