Here is the full list of all 45 GWENT: Rogue Mage (Single-Player Expansion) achievements.
Give the Dwarven Trader what he is looking for.
Unlock every other Achievement.
Defeat the White Dragon after destroying her Wings.
Win a battle with a point difference of at least 100.
Finish a run on the Grandmaster difficulty.
Finish your first run.
Win a battle.
Discover the secret behind the Ancient Writings.
Defeat the Fiery Fiend.
Reach Level 5.
Have 5 or more Treasures in your deck.
Play 7 cards in a single turn.
Defeat the Mountain King.
Reach Level 50.
Complete a run in 30 minutes or less.
Gain the favor of a God.
Defeat the Swamp Monster.
Reach Level 15.
Offer the Golden Nekker to a wishing well.
Defeat the High Prosecutor.
Watch the credits till the end.
Win a battle with a 1-point difference.
Have a unit with 100 or more power during a battle.
Free the Thing From the Box.
Win 10 battles.
Finish a run on the Novice difficulty.
Answer the Trickster's riddle correctly.
Finish a run on the Apprentice difficulty.
Win against the Gambler three times in a row.
Reach Level 25.
Finish a run on the Master difficulty.
Defeat every enemy.
Lose your first run.
Defeat the High Prosecutor after disposing of his Enforcers.
Reach Level 100.
Finish a run on the Adept difficulty.
Find the source of magical energy in the Ruins on your first try.
Defeat the Mage Hunter.
Reach Level 1.
Defeat the Failed Experiment without using the Serum.
Win a battle without spending Energy.
Resurrect the Ancient Warrior.
Defeat the Failed Experiment.
Defeat the White Dragon.
Win 100 battles.