Here is the full list of all 48 Conqueror's Blade achievements.
Disband ten units.
Craft a piece of Uncommon equipment.
Kill 500 Heroes.
Disband any unit.
Craft a piece of Rare equipment.
Equip some horse barding.
Kill 8,000 enemy troops.
Earn the badge "Cut a Swath" 30 times.
Kill 200 Heroes.
Earn the badge "The Phlegethon Flows" three times.
Earn the badge "Noble Cause" three times.
Collect three warhorses in your stable.
Earn the badge "Grand Bloodbath" five times.
Earn the badge "God of War" four times.
Craft a piece of Epic equipment.
Own ten units.
Earn the badge "No Quarter" five times.
Switch your default warhorse.
Kill 100 Heroes.
Earn the badge "Overthrown" three times.
Reach Level 60.
Earn the badge "Make It Happen" three times.
Kill 3,500 enemy troops.
Earn the badge "A Deadly Century" ten times.
Kill 2,000 enemy troops.
Reach Level 40.
Craft a weapon for the first time.
Craft a piece of Legendary equipment.
Earn the badge "Drop Dead".
Reach Level 20.
Kill 10 Heroes.
Kill 200 enemy troops.
Unlock 10 units on the Unit Tree.
Unlock all the peasant units.
Create your first unit.
Own three units.
Kill 5 heroes.
Kill 20 enemy troops.
Earn the badge "A Deadly Century".
Earn the badge "Shatter the Ranks".
Earn the badge "Hat-Trick".
Get a badge "Quad Kill".
Earn the badge "No Quarter".
Defeat Valen and his troops.
Craft 100 pieces of Uncommon equipment.
Destroy every target on The Strawman's Challenge in between 20 and 25 seconds.
Earn the badge "Echoes of Achelous" 15 times.
Craft 100 pieces of Rare equipment.