Here is the full list of all 39 SpellForce 3 achievements.
Reached the maximum hero party level in the campaign.
Slew the Elder Dragon.
You annoyed the composer by muting the ingame music.
Rallied all possible companions to your cause.
Sided with the Deathmen in Aonir's Blade.
Stop touching the workers!
You avatar died.
Beat the SpellForce III campaign.
The fate of Nortander lies in your hands.
You fulfilled a task for the Elder Dragon.
Learned how to summon Titans.
Reached hero party level 20 in the campaign.
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.
Unlocked the elven faction and upgraded it to the maximum.
Sided with the Iron Falcons in Aonir's Blade.
Brought a tribute to the God-King.
If only real life were as simple as that.
Got your first level up.
Played a practice skirmish match against the AI.
Gave more than the bare minimum when asked for help.
Gained the allegiance of the Wayfarers.
Helped all of the Refugees in Farlorn's Hope.
Defeated the Nortander army in the Iskander Wilds.
Gained the allegiance of the Orcish Firewielders.
Gained the allegiance of the Morhir Elves.
Claimed Mulandir as your base of operations.
Escaped the Grey Keep with a new ally.
Dealt with Alistair.
Finished Liannon.
Freed all the prisoners when escaping from the Grey Keep.
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.
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.