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