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