Here is the full list of all 70 Tales & Tactics achievements.
Win a Tournament run on at least Challenge Climb 15.
Win a Tournament run on at least Challenge Climb 10.
Win a run after selecting the Abandon Ship! perk.
Win a run with Brawler II active.
Win a run with Orc II active.
Win a run with Fighter II active.
Win a run with Shaman II active.
Win a run with Arcane II active.
Have a unit take 10,000+ damage in a single combat.
Win a run with Flame II active.
Win a run with Dweller II active.
Win a run with Aquatic II active.
Win a run with Divine II active.
Win a run with Dragon II active.
Win a run with Royal II active.
Win a run with Storm II active.
Win a run with Elemental II active.
Win a run with Stalker II active.
Win a run with Statue II active!?
Reach Vault Level 5 in a run.
Win a run with Beast II active.
Win a combat where 3 or more of your units are in Hex Modifiers.
Win a run with Poisoner II active.
Win a run with Horror II active.
Win a run with Bug II active.
Win a run with Spirit II active.
Win a combat where your army has 7+ Traits active.
Win a run with 3+ Legends in your final army.
Win a run with Mushroom II active.
Unlock 30 Hats.
Use 5 Potions in the same combat.
Win a Tournament run with all Challenge Modifiers active.
Win a run with Marksman II active.
Win a run with Skeleton II active.
Win a run with Trickster active.
Summon 3 Emergency Chickens in a single combat.
Win a run with Mage II active.
Win a run with Fae II active.
Win a Tournament run as a Custom Character.
Win a run with at least 8 Curse.
Win a run with Scrapper II active.
Win a run with Ghoul II active.
Purchase 6 Cursed units in a single run.
Enter 3 Community Character Codes.
Win 3 Tournament runs in a row.
Win a run with Demon II active.
Win a run with Engineer II active.
Win a combat where your army has 2+ Stage II Traits active.
Win a run with Healer II active.
Win a combat where your army has the Healer Shrine, Engineer Turret and Shaman Totem active at the same time.
Put a Hat on Lord Malady.
Win a run with a Tier 5 Unit.
Win a run with Tank II active.
Win a run with Blood active.
View the Credits.
Win a run with Treefolk II active.
Complete 3 Bounties in a single run.
Reach experience level 6 in a run.
Using a Potion of Telekinesis, drag a Unit from the enemy's backline to their frontline.
See 80 units.
Unlock 5 Characters.
Have a unit deal 10,000+ damage in a single combat.
Win a run with Reptile II active.
Create a Tier 4 Legend unit.
Unlock Race, Class, Origin and Profession.
Unlock 5 Gameplay Modifiers.
Win a Tournament run.
Roll a Nat 20 on a Dungeon Skill Check.
Have a fight last into Overtime for 15 seconds.
Complete the Tutorial.