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