Here is the full list of all 112 The Braves achievements.
Upgrade hero level
Get equipment of unusual rarity
Restore the Portal
Restore the Town Hall
Defeat the Evil Wolf in the Forest
Defeat the Frightening Bear in the Forest
Defeat Pumbaa in the Forest
Defeat the Queen of Stings in the Forest
Defeat Arachne in the Forest
Defeat Nevilles Mandrake in the Forest
Complete the Forest on hellish difficulty
Defeat Pups in the Laboratory
Defeat the Cold Vaccine in the Laboratory
Defeat the Flesh Decomposer in the Laboratory
Defeat the "Rat Babe" Object in the Laboratory
Defeat Doctor Fester in the Laboratory
Defeat the "975" Object in the Laboratory
Complete the Laboratory on hellish difficulty
Defeat Grimm in the Cemetery
Defeat Larry in the Cemetery
Defeat the Black Widow in the Cemetery
Defeat the Cursed Gravedigger in the Cemetery
Defeat the Bone Conjurer in the Cemetery
Defeat the Grim Reaper in the Cemetery
Complete the Cemetery on hellish difficulty
Defeat the Infected Mandrake in the Mycelium
Defeat the Filthy Wing in the Mycelium
Defeat the Risen Ancient in the Mycelium
Defeat Pus Matilda in the Mycelium
Defeat Skoll the All-Seeing in the Mycelium
Defeat the Ancient Leshy in the Mycelium
Complete the Mycelium on hellish difficulty
Defeat the Scorpion King in the Dunes
Defeat the Bronze Dragon in the Dunes
Defeat Euryale the Thrice Cursed in the Dunes
Defeat the Great Manticore in the Dunes
Defeat Sotark the Scourge of the Sands in the Dunes
Defeat Anubis the God of the Dead in the Dunes
Complete the Dunes on hell difficulty
Defeat Verona in Bran Castle
Defeat Alira the Bloodied in Bran Castle
Defeat Marishka in Bran Castle
Defeat Death in Bran Castle
Defeat Prince Vlad in Bran Castle
Defeat Abraham the Converted in Bran Castle
Complete Bran Castle on hell difficulty
Upgrade equipment level
Get equipment of rare rarity
Get equipment of epic rarity
Get weapon of legendary rarity
Get weapon of mythic rarity
Get helmet of legendary rarity
Get helmet of mythic rarity
Get armor of legendary rarity
Get armor of mythic rarity
Get gloves of legendary rarity
Get gloves of mythic rarity
Get boots of legendary rarity
Get boots of mythic rarity
Get ring of legendary rarity
Get ring of mythic rarity
Upgrade equipment level to 100
Get hero of epic rarity
Get hero of legendary rarity
Upgrade hero level to 100
Upgrade 10 heroes to level 50
Upgrade Jeanette to mythic rarity
Upgrade Risha to mythic rarity
Upgrade Truffaldino to mythic rarity
Upgrade Aerin to mythic rarity
Upgrade Damian to mythic rarity
Upgrade Fu Hao to mythic rarity
Upgrade Martina to mythic rarity
Upgrade Solaria to mythic rarity
Upgrade Zina to mythic rarity
Upgrade Nicolas to mythic rarity
Upgrade Wilhelm to mythic rarity
Upgrade Sister Remoria to mythic rarity
Upgrade Bob the Bonebreaker to mythic rarity
Upgrade Dancing Flame to mythic rarity
Upgrade Elusive Ice to mythic rarity
Upgrade Midnight Witch to mythic rarity
Upgrade Antonio to mythic rarity
Upgrade Iron Bjorn to mythic rarity
Upgrade the Great Nameless to mythic rarity
Upgrade Mysterious Mr. S to mythic rarity
Upgrade Alistair to mythic rarity
Upgrade Annette to mythic rarity
Upgrade Jabir to mythic rarity
Upgrade Liana to mythic rarity
Upgrade Liana’s level to 100
Restore the Forge
Upgrade the Forge to level 6
Upgrade the Forge to level 14
Upgrade the Forge to level 20
Restore the Tavern
Upgrade the Tavern to level 6
Upgrade the Tavern to level 14
Upgrade the Tavern to level 20
Upgrade the Town Hall to level 6
Upgrade the Town Hall to level 14
Upgrade the Town Hall to level 20
Restore the Bank
Restore the Market
Upgrade the Market to level 6
Upgrade the Market to level 14
Upgrade the Market to level 20
Kill 10,000 monsters
Kill 50,000 monsters
Kill 100,000 monsters
Kill 500,000 monsters
Kill 1,000,000 monsters