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