Here is the full list of all 15 Age of Heroes: Conquest achievements.
Join a Guild
Complete Zone 1
Complete Zone 2
Complete Zone 3
Complete Zone 4
Complete Zone 5
Complete Zone 6
Complete Zone 7
Collect 25 Heroes
Defeat 50 opponents in the Gauntlet
Collect 10,000,000 Gold
Deal 1,000,000,000 Damage
Collect 200 Equipment Pieces
Complete Zone 8
Complete Zone 9