Here is the full list of all 76 Folk Hero achievements.
Apply 5 different runes to a recruit's archery per run
Upgrade a recruit's strike to level 5 per run
Kill the swamp beast
Complete Tugarin's quest
Reach the castle
Kill Likho
Reach the swamp
Kill the bear
Don't take damage in a boss fight
Kill Koschei
Kill 150 enemies with the Recruit bow in total
Drink 5 Potions of Attack Speed in one run
Kill 100 stunned enemies
Kill an enemy in one hit with the first skill
Die for the first time
Kill 100 enemies from afar
Block 100 blows with the Defender
Parry with the Defender 30 times
Parry 2 enemy attacks simultaneously
Kill 150 enemies with Defender's Shield
Upgrade Shield Block to level 5 per Run
Kill 3 enemies with one shot
Kill 50 enemies with a Perfect Shot in a single run
Make 150 Perfect Shots with Archer
Kill any Boss with a perfect shot
Put 5 different Runes on a Bomb in a single run
Kill 150 enemies with bombs
Kill 4 enemies with one bomb
Kill 5 enemies with one Warrior Jump
Kill 50 enemies with a Jump in a single run
Kill 150 enemies a charged Warrior Attack in a single run
Kill 4 enemies with one Robber’s dash
Reach 15 combo kills counter
Kill 150 enemies with Robber's Dagger throws in total
Complete an area using only the Robber’s dash as an attack
Kill 50 enemies with Robber's Dagger throws in a run
Kill {0} enemies at the same time using the Robber’s Ultimate
A total of 100 enemies have died from bleeding
A total of 100 enemies killed by lightning
A total of 100 enemies have died from the curse
Reach the elite enemies of the Forest
Reach the elite enemies of the Swamp
Reach the Wastelands
Reach the elite enemies of the Wastelands
Reach the elite enemies of the Castle
Make a wasteland magician kill another enemy
Make the Pecheneg archer kill another enemy
Push back 6 enemies simultaneously with Storm in a Bottle
Die 20 times
Complete all quests in the Swamp
Complete all quests in the Wastelands
Complete all quests in the Forest
Break 100 barrels in all time
Upgrade any talent to the maximum level
Buy all items from the merchant
Open all talent columns
A total of 50 enemies killed by traps
Collect 4 identical items in a single run
Accumulate 5000 silver in a single run
Die at the Boss location 10 times in total
Complete the quest in the Forest
Complete the quest in the Swamp
Complete the quest in the Badlands
Pick up Koschei's sword
Die from a trap
Die from water
Die by fire
Make a choice at the end
Make another choice at the end
Make a choice at the end with a condition
Make another choice at the end with a condition
Be responsive and get to the end
Reach the Glade
Reach the Quagmire
Reach the Cleft
Reach the Throne room