Here is the full list of all 89 Realms of Arkania: Star Trail achievements.
Summon 1 skeleton
Convict the masterminds of Gashok
Return the salamander stone to the elves and dwarfs
Defeat the Basilisk
Import heroes from Blade of Destiny that had finished the game
Summon 10 spirits
Had all NPCs in the group
Explore all dungeons of the main game
Travel on 225 different roads
Summon 10 demons
Acquire 1500 supply packages by hunting
Enter the Finsterkopp Pit via the rear entrance
Acquire 1000 supply packages by hunting
Travel all roads on the map
Know about 210 land routes
Brew 10 poisons
Acquire 750 supply packages by hunting
Have 100 fights calculate by the AI
Travel on 100 different roads
Defeat the spider queen in the Blood Pinnacles
3 Weapons shattered
Win a fight with armor protection 0 on all party members
Spend your last farthing
Know about 140 land routes
Have 50 fights calculate by the AI
Bring a hero back to life
Carouse test failed 10 times
Acquire 500 supply packages by hunting
Earn 50 ducats discount on haggling
Travel on 50 different roads
Use the battle axe in battle
Pick 40 chests or locks
Pick 20 chest or locks
Find 5 secret doors
Pick 5 chest or locks
Pick a chest or a lock
150 donate ducats in temples
Donate 200 ducats in temples
Donate 300 ducats in temples
Donate 100 ducats in temples
Own 2,000 ducats
Travel on 20 different roads
Know about 80 land routes
Summon a demon
Summon a spirit
Win a fight without killing any enemies
Know about 35 land routes
Beaten up in a city due to missing pants
Get caught and thrown out of a tavern when trying to steal
Healing wounds leads to a disease
Have a fight calculated by the AI
Less than 3 movement points in combat due to loadout
A hero for all 3 nightmare monitors
Were able to talk to the Lizards of Ansvell
Achieve physical strength 20
Get armor protection 10
Own 250 ducats
Own 500 ducats
Own 1,000 ducats
Import heroes from Blade of Destiny
Earn 50 ducats through music and singing in taverns
Earn 100 ducats through music and singing in taverns
Earn 200 ducats through music and singing in taverns
Earn 500 ducats through music and singing in taverns
Have 250 fights calculate by the AI
Have 500 fights calculate by the AI
Attack on group members by heroes
Equip a cursed item on a hero
Experience 5 miracles
Get bitten by a rat in a dungeon
Donate 25 ducats to beggars
Flee from battle
Stumble into a trap
Summon 10 skeletons
Summon 50 skeletons
Summon 250 skeletons
Summon 50 spirits
Summon 250 Spirits
Summon 50 demons
Summon 250 demons
Clarify the fate of Sternenschweif
Complete the game with each character class at least once
Complete all game tutorials
Soothed the capricorn with sweets
Talked to 100 people on the street
Ring all bells in the Temple of the Nameless
Outsmart the guards at Finsterkopp Pit
Save the Rondra Priestess
Answer all questions of the fire demon correctly