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