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