Here is the full list of all 114 Heroes of Hammerwatch achievements.
Purchase something at the Legacy Shop.
Reach General rank with a mercenary.
Reach Major rank with a mercenary.
Beat the Moon Temple with a mercenary.
Reach Colonel rank with a mercenary.
Beat the Pyramid of Prophecy with a mercenary.
Reach Captain rank with a mercenary.
Reach Lieutenant rank with a mercenary.
Reach Sergeant rank with a mercenary.
Beat the Forsaken Tower with a mercenary.
Reach Corporal rank with a mercenary.
Recruit a mercenary private.
Beat the Moon Temple in NG+++++.
Reach level 60 with a Witch Hunter.
Reach level 40 with a Witch Hunter.
Reach level 40 with a Wizard.
Kill 75,000 Aberrations.
Win a legendary item by gambling.
Reach level 40 with a Sorcerer.
Beat the Moon Temple in NG++++.
Beat the Moon Temple in NG+++.
Reach level 40 with a Priest.
Beat the Forsaken Tower in NG+++++.
Beat the Forsaken Tower in NG++++.
Reach level 40 with a Warlock.
Reach level 40 with a Paladin.
Beat the Moon Temple in NG++.
Reach level 40 with a Thief.
Kill 10,000 Constructs.
Craft 10 items at the Magic Anvil.
Something good happened...
Reach level 20 with a Witch Hunter.
Reach level 20 with a Warlock.
Reach level 40 with a Ranger.
Reach level 20 with a Wizard.
Obtain 10 Blood Rites at the same time.
Beat the Forsaken Tower in NG+++.
Reach level 20 with a Thief.
Kill 100,000 Undead.
Reach level 20 with a Paladin.
Reach level 20 with a Sorcerer.
Kill 50,000 Beasts.
Reach level 20 with a Priest.
Construct the statue of Cedric.
Attune 10 items at the Magic Anvil.
Beat the Moon Temple in NG+.
Beat the Forsaken Tower in NG++.
Have your companion collect 1,000,000 gold.
Fully upgrade the Town.
Craft an item using the Magic Furnace.
Chain a combo of 500 kills.
Block ten damage instances with your Lunar Shield.
Beat the Moon Temple.
Defeat the Agents.
Defeat Krilith's Wolf
Defeat the Elder Wisp.
Beat the Forsaken Tower in NG+.
Find 1,000 ore.
Beat the Forsaken Tower.
Defeat Thundersnow.
Find 1,000,000 gold.
Consume 10 drinks at the Tavern.
Reach level 20 with a Ranger.
Unlock the Wizard.
Find 50 secrets.
Defeat the Vampire Lord.
Defeat the Watcher.
Acquire a companion.
Defeat the Three Councilors.
Unlock the Thief.
Try your luck at item gambling.
Find the Magic Anvil.
Unlock the Priest.
Defeat the Warden.
Use a Blood Altar.
Unlock Combo.
Unlock the prison cells.
Defeat the Stone Guardian.
Receive a reward from the Imp.
Use a monolith.