Here is the full list of all 49 Demonicon - there are The Dark Eye achievements.
Played Demonicon through without using a single healing potion
250 potions or poisons used
Played Demonicon through in Nether Hellish difficulty
Destroyed the New Church's Catechism
Denied Calandra
Acknowledged Seghal and thereby chosen the Gift
Banished bandits
Gave Genla the talisman
Spared the cannibal in Moloch Mountain
Became member of the City Guard
Sacrificed yourself as First Paladin
Sacrificed Calandra as First Paladin
Played Demonicon through in Hard difficulty
Achieved a chain of 24 blows
Successfully dodged two hundred times
Returned to Moloch Mountain
Introduced the Catechism to the New Church
Defeated Azaril
Slept with Calandra
Acknowledged father and thereby chosen humanity
Freed father from imprisonment
Reached Level 7 in one Adventure talent
Killed Cassio and sacrificed her blood
50 potions or poisons used
Banished guards
Achieved a chain of 12 blows and triggered Demonic Fever
Taifelel defeated
Led the Fernfielders to their fate
Gave Ulev the talisman
Defeated Ghamat and the Plague Maw
Defeated the Iribaar's Lily and yourself
Completed 5 battles without a scratch
Suffered the pain of Rondra's prescence
Convicted and killed Falk
Defeated the overpowering Heshthot in the market
10 potions or poisons used
Cast 200 Gift spells
Reached Mastery Rank Four in one talent
Raised an attribute to its maximum
Killed 10 enemies solely with Ranged Weapons
Spoken to Borbarad's Council of the Dead
Caught the summoner in the Praios temple
Became member of the Kreutzer Cartel
Used 200 combat moves
Killed Borak the Bruiser
Killed the cannibal in Moloch Mountain
Passed a Talent test
Received the Gift in the tutorial
Learned Chain of Blows