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