Here is the full list of all 69 Hero Academy achievements.
Complete all Challenge Collection challenges.
Removed an enemy hero's buff and a friendly hero's debuff in the same turn with a Taoist.
Hit three targets with a single Windblade attack.
Lower an enemy's maximum health by 250 with a Monk.
Resurrect an opponent's Ninja, Wraith, Chieftain, or Annihilator with the Shadow.
Execute two enemies in one turn with a Warrior.
Damage five targets with one Chieftain attack.
Hit an enemy target at maximum range with the Sniper.
Hit three full-strength enemies in one turn with an Axe Thrower.
Do 1000 points of damage with a corpse explosion.
Destroy two enemy crystals in a single turn.
Knock out three enemies at once with an Annihilator shot.
Raise two Phantoms in a single turn with a Necromancer.
Weaken three enemies with the priestess in a single turn.
Hit three enemies at once with a Void Monk's attack.
Hit three enemies at once with a Heavy's attack.
Attack a single enemy with three different heroes in one turn.
Link a Medic to a Heavy.
Win a game against a random player.
Build up a max-health Wraith.
Hit four enemy heroes or crystals at once with a single Grenadier attack.
Have an Engineer equip three allies in a single turn.
Submit 100 turns.
Heal three allies with a chained Shaman heal.
Knock out two enemies at once with the Pyro.
Shield a crystal with an Engineer.
Hit three enemy heroes or crystals at once with a single Gunner attack.
Debuff three enemies in one turn with a Poisoner.
Complete all Meet the Shaolin challenges.
Complete all Meet Team Fortress challenges.
Complete all Meet the Tribe challenges.
Complete all Meet the Dwarves challenges.
Complete all Meet the Dark Elves challenges.
Complete all Meet the Council challenges.
Win a game with the Shaolin Team.
Win 50 games with the Tribe.
Take all day to put in your turn after your opponent does.
Win a game with the Team Fortress team.
Get a Paladin to heal herself.
Win a game by destroying the enemy team.
Knock out a full-health enemy with one shot from an Archer.
Win a game by destroying the enemy's crystals.
Win a game and take no crystal damage.
Taunt an opponent.
Hit three enemies with a single attack by a Wizard with a scroll.
Knock out three enemy heroes in one turn.
Use an assault tile to do bonus crystal damage.
Stomp two enemy heroes in one turn.
Do 2000 or more damage with a single attack.
Do 2500 damage or more with a single Ninja attack.
Knock out an enemy.
Submit five turns.
Add Runemetal, Dragonscale, and Shining Helm to a single Knight.
Resurrect and fully heal a knocked-out ally in a single turn.
Submit a turn less than three minutes after your opponent moves.
Use the undo feature and try something new.
Complete the Tutorial.
Win 25 games.
Win 100 games.
Win a game with the Council.
Win 50 games with the Council.
Win a game with the Dark Elves.
Win 50 games with the Dark Elves.
Win a game with the Dwarves.
Win 50 games with the Dwarves.
Win a game with the Tribe.
Pull an enemy off an assault tile with an Impaler.
Win 50 games with the Team Fortress team.
Win 50 games with the Shaolin Team.