Full list of all 64 The Last Spell achievements.
The base game contains 56 achievements, and there is 1 DLC pack containing 8 achievements.
Reach night 3 at Apocalypse 1 in any city (without Boundless Mode activated)
Break the Last Seal
Fight a boss for the second time
End a night with the City Panic at its maximum
Start 20 runs
Stun 50 enemies in one night
Break Elderlicht's Seal
Have 40 active traps at the beginning of a night
Customize a Hero
Have a Hero kill 200 isolated enemies in one run
Build 60 Reinforced Stone Walls in one run
Have Schaden reveal herself to you
Get 6 heroes in your team
Kill 6666 enemies
Have a Hero hit their friend
Have a Hero or building reach 12 enemies in a single blow
Poison 400 enemies in one run
Break Glenwald's Seal
Kill two thirds of the Dryads during the final night of Glenwald
Have a hero perform a Momentum attack with maximum bonus
Kill an enemy with the Punch skill
Break Lakeburg's Seal
Kill 300 enemies affected by negative alterations in one run
Build 10 Catapults in one run
Sell an Epic item
Push back the Fog at its minimum with the Seer
Use 500 mana in one run
Produce 40 items with your production buildings in a single run
Build 20 Ballistas in one run
Unlock all weapon types
Inflict a critical hit on 20 enemies in one Heroes' turn
Have a Hero kill an enemy 14 tiles away
Reroll the available Heroes in the Inn
Build your first Seer
Have Freude reveal herself to you
Break Gildenberg's Seal
Break a Seal without the City Panic going under A rank
Get 12 Workers in your Haven
Build your first Inn
Have a Hero reach 0 mana
Unlock your first favor with a goddess
Build all buildings types at least once
Break Seals with at least 50 different Omens
Use the Fatality skill on an Elite enemy
Have a Hero use a potion on another Hero
Use potions 100 times
Use scrolls 50 times
Scavenge 50 Ruins and Corpses
Break a Seal at Apocalypse 1 in any city (without Boundless Mode activated)
Break a Seal at Apocalypse 6 in any city (without Boundless Mode activated)
Break Gildenberg's Seal at Apocalypse 3 or more (without Boundless Mode activated)
Break Lakeburg's Seal at Apocalypse 3 or more (without Boundless Mode activated)
Break Glenwald's Seal at Apocalypse 3 or more (without Boundless Mode activated)
Break Elderlicht's Seal at Apocalypse 3 or more (without Boundless Mode activated)
You've become the Eon of War
Break Glintfein's Seal at Apocalypse 3 or more (without Boundless Mode activated)