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