Here is the full list of all 202 Might & Magic: Duel of Champions achievements.
Complete the Herald of the Void campaign
Complete the Void Rising campaign
Deploy 10 Demons in a duel
Duplicate one of your decks using the duplicate button
Complete the Windswords campaign
Reach the Squire class
Accept 3 Challenge Requests from your friends
Win a ranked duel using a deck that contains only rares and epics
Reach Level 20
Activate 10 Gold Boosts
Own 50 Premium Cards from the first Base Set
Win 10 ranked duels playing no spells or fortunes
Win a ranked duel by defeating the enemy hero with an Event Card
Win a ranked duel drawing no additional cards
Get both Nur and the Altar of Wishes
Reach Level 2
Reach Level 5
Reach Level 10
Reach Level 15
Have 50 Friends
Complete Orc Invasion and Reach Level 3
Finish in the top 3 of a Swiss Tournament
Reach Elo 200
Cash your first final stash 7 days streak
Log in 25 days in a row
Send 3 Challenge Requests to your friends
Get your first Wildcard
Win 3 Ranked Duels in a row
Win 5 Ranked Duels in a row
Win 50 Ranked Duels
Kill 250 creatures
Win 30 Practice Duels against your Friends
Win 30 ranked games using Inferno Decks
Win a duel without ever losing a single Health on your Hero
Have 100 Cards in your Collection
Have 250 Cards in your Collection
Have 500 Cards in your Collection
Have 1,000 Cards in your Collection
Own 1 of each Event Card from the first Base Set
Own 1 of each Haven Card from the Herald of the Void Series
Own 1 of each Necropolis Card from the Herald of the Void Series
Collect 200 Herald of the Void cards
Complete your first Swiss Tournament
Complete Boot Camp
Complete Orc Invasion
Complete Wolf Soldiers
Reach Level 25
Reach Level 30
Reach Level 35
Reach Level 40
Reach Level 45
Reach Level 50
Reach Level 100
Participate in 10 Daily Tournaments
Finish in the 1st Tier of the Daily Tournament
Get a win streak of 10 in a Daily Tournament
Win first place in the Daily Tournament
Activate 10 XP Boosts
Sacrifice 1000 cards into the Infernal Pit
Reach Elo 1001
Win your first Swiss Tournament
Win 5 Swiss Tournaments
Win 25 Swiss Tournaments
Reach 300 points on the Swiss Tournament leaderboard
Win 50 duels versus your friends
Start a stream via Twitch
Win 10 Ranked Duels in a row
Win 250 Ranked Duels
Win 500 Ranked Duels
Win 30 ranked games using Sanctuary decks
Win 30 ranked games using Necropolis Decks
Win 30 ranked games using Stronghold Decks
Win 30 ranked games using Haven Decks
Win 30 ranked games with each of the 5 Factions
Win 20 ranked duels with Herald of the Void Series Haven Hero
Win 20 ranked duels with Herald of the Void Series Inferno Hero
Win 20 ranked duels with Herald of the Void Series Necropolis Hero
Win 20 ranked duels with Herald of the Void Series Stronghold Hero
Win 20 ranked duels with Herald of the Void Series Sanctuary Hero
Win 20 ranked duels with each Hero from Herald of the Void Series
Win 10 ranked duels with a deck made from Herald of the Void cards
Win 10 ranked duels using a deck with no more than 1 copy of any card
Cast Armagadon and have at least 1 surviving creature left on your side
Over kill your opponent by at least 5 damage
Over kill your opponent by at least 9 damage
Win a Swiss Tournament using a Haven deck
Win a Swiss Tournament using an Inferno deck
Win a Swiss Tournament using a Necropolis deck
Win a Swiss Tournament using a Stronghold deck
Win a Swiss Tournament using a Sanctuary deck
Win a Swiss Tournament using an Academy deck
Win a Swiss Tournament with each of the 6 Factions
Win a ranked duel using a 209 card deck
Have 5,000 Cards in your Collection
Own all 4 Inferno Hero Cards from the first Base Set
Own all 4 Haven Hero Cards from the first Base Set
Own all 4 Necropolis Hero Cards from the first Base Set
Own all 4 Stronghold Hero Cards from the first Base Set
Own 1 of each Haven Card from the first Base Set
Own 1 of each Inferno Card from the first Base Set
Own 1 of each Stronghold Card from the first Base Set
Own 1 of each Necropolis Card from the first Base Set
Own 1 of each Spell Card from the first Base Set
Own 1 of each Fortune Card from the first Base Set
Own 1 of each Creature Card from the first Base Set
Own 1 of each Hero Card from the first Base Set
Create a valid Premium Deck using only cards from the first Base Set
Own a copy of every card from the first Base Set
Own 1 of each Sanctuary Card from the Void Rising Series
Own 1 of each Spell Card from the Void Rising Series
Own 1 of each Fortune Card from the Void Rising Series
Own 1 of each Event Card from the Void Rising Series
Own 1 of each Creature Card from the Void Rising Series
Own a copy of every card from the Void Rising Series
Own all 4 Sanctuary Hero Cards from the Void Rising Series
Own 120 Premium Cards from the Void Rising Series
Own 1 of each Sanctuary Card from the Herald of the Void Series
Own 1 of each Inferno Card from the Herald of the Void Series
Own 1 of each Stronghold Card from the Herald of the Void Series
Own one of each unique spell card from the Herald of the Void Series
Own a copy of every card from the Herald of the Void Series
Own 1 of each Sanctuary card from the Forgotten Wars Series
Own 1 of each Haven card from the Forgotten Wars Series
Own 1 of each Inferno card from the Forgotten Wars Series
Own 1 of each Stronghold card from the Forgotten Wars Series
Own 1 of each Necropolis card from the Forgotten Wars Series
Own 1 of each Academy card from the Forgotten Wars Series
Own 1 of every card from the Forgotten Wars Series
Collect 200 Void Rising cards
Collect 200 Forgotten Wars cards
Share 5 of your ranked Duel Victories on Facebook
Reach Level 150
Reach Level 200
Reach Level 250
Win 15 Jackpot Tournament duels in a row
Win a ranked duel only damaging the enemy hero using Neutral creatures
Win a ranked duel by damaging the enemy hero with one type of creature
Win a Swiss Tournament using a deck with no epic cards
Deploy each unique building from the Five Towers series in a ranked duel
Win a ranked duel with a unique creature, spell, fortune and building in play
Collect 1 of each Creature Card from the Five Towers Series
Collect 1 of each Spell Card from the Five Towers Series
Collect 1 of each Fortune Card from the Five Towers Series
Collect 1 of each Building card from the Five Towers Series
Own 1 of every card from the Five Towers Series
Collect 200 Five Towers cards
Reach the Champion class
Complete the Forgotten Wars campaign
Complete the Five Towers campaign
Deploy 10 Wizards in a duel
Deploy 10 Soldiers in a duel
Deploy 10 Vampires in a duel
Deploy 10 Spirit in a duel
Deploy 10 Warrior in a duel
Win a game while having no remaining cards in your library.
Win 10 tournament duel in the Weekly format.
Win 30 ranked games using Academy Decks
Win 20 ranked duels with Heart of Nightmares Series Haven Hero
Win 20 ranked duels with Heart of Nightmares Series Inferno Hero
Win 20 ranked duels with Heart of Nightmares Series Necropolis Hero
Win 20 ranked duels with Heart of Nightmares Series Stronghold Hero
Win 20 ranked duels with Heart of Nightmares Series Sanctuary Hero
Win 20 ranked duels with Heart of Nightmares Series Academy Hero
Own a copy of every card from the second Base Set
Own all 4 Academy Hero Cards from the second Base Set
Own all 4 Inferno Hero Cards from the second Base Set
Own all 4 Haven Hero Cards from the second Base Set
Own all 4 Necropolis Hero Cards from the second Base Set
Own all 4 Stronghold Hero Cards from the second Base Set
Own all 4 Sanctuary Hero Cards from the second Base Set
Own a copy of every card from the Heart of Nightmares Series
Collect 1 of each Spell Card from the Heart of Nightmares Series
Collect 1 of each Fortune Card from the Heart of Nightmares Series
Own 1 of each Sanctuary card from the Heart of Nightmares Series
Own 1 of each Haven card from the Heart of Nightmares Series
Own 1 of each Inferno card from the Heart of Nightmares Series
Own 1 of each Stronghold card from the Heart of Nightmares Series
Own 1 of each Necropolis card from the Heart of Nightmares Series
Own 1 of each Academy card from the Heart of Nightmares Series
Collect 200 Heart of Nightmares cards
Refer a friend
Have 3 referred Pupils who reach level 10
Win a quick game against the Academy Faction.
Win a quick game against the Haven Faction.
Win a quick game against the Inferno Faction.
Win a quick game against the Necropolis Faction.
Win a quick game against the Sanctuary Faction.
Win a quick game against the Stronghold Faction.
Own a copy of every card from the Griffin Bane Series
Own 1 of each Academy card from the Griffin Bane Series
Own 1 of each Haven card from the Griffin Bane Series
Own 1 of each Inferno card from the Griffin Bane Series
Own 1 of each Necropolis card from the Griffin Bane Series
Own 1 of each Sanctuary card from the Griffin Bane Series
Own 1 of each Stronghold card from the Griffin Bane Series
Own a copy of every card from the Sins of Betrayal Series
Own 1 of each Academy card from the Sins of Betrayal Series
Own 1 of each Haven card from the Sins of Betrayal Series
Own 1 of each Inferno card from the Sins of Betrayal Series
Own 1 of each Necropolis card from the Sins of Betrayal Series
Own 1 of each Sanctuary card from the Sins of Betrayal Series
Own 1 of each Stronghold card from the Sins of Betrayal Series