Full list of all 45 Sacred 3 achievements worth 1,180 gamerscore. It takes around 40-50 hours to unlock all of the achievements in the base game on Xbox 360.
The base game contains 37 achievements worth 1,000 Gamerscore, and there are 4 DLC packs containing 8 achievements worth 180 Gamerscore.
Break the shields of all ghostly orbs and destroy them in a single phase
Complete a mission with four female characters in online co-op mode
Complete all main missions with three other players
Defeat something big with only one hit using a smart bomb
Max out any culture's Combat Arts, Skills, and Equipment trees
Complete all main missions on Deity difficulty
Complete Greyveil with the Ancarian
Complete Enigmar Fortress with the Khukuri
Complete Vorios with the Safiri
Complete one main mission in local co-op mode
Reach level 50 with any character
Defeat the final form of Zane within 30 seconds
Unlock all item upgrades
Execute 5 enemies in a row
Interrupt five enemies while they are targeting other players
Revive every other player in a single mission with three other players
Reach level 30 with any character
Die from an explosive destructible
Complete all main missions on Legend difficulty
Kill 8 Grimmoc-sized enemies with one attack
Defeat Zane
Complete a mission with four characters from different cultures in co-op mode
Complete all Rank 2 missions
Stop the Unspeakable Evil
Use your Battle Prayer 10 times
Complete Icecreek Sanctuary with the Seraphim
Complete a main mission with three other players
Complete a main mission as the top scorer in a game with three other players
Use your Combat Arts 80 times in N'Aquali during a single playthrough
Reach level 10 with any character
Kill a Troll without getting hit by it in single player mode
Complete Khorad Basin with the Well purity at 70% or greater
Complete the Rank 1 mission
Get a level up
Achieve the highest multiplier in a damage run
Max out all cultures' Combat Arts, Skills, and Equipment trees
Complete all main missions in local co-op mode
Complete Braverock with the Malakhim
Reach level 50 with the Malakhim
Defeat the Black Seraphim
Complete all side missions of Underworld Story
Complete Khorad Basin with the Orc
Reach level 50 with the Orc
Kill Gragon
Complete all side missions of Orcland Story