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