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