Here is the full list of all 151 Vampire Hunters achievements.
Reach level 125 with Scout
Reach level 100 with Scout
Reach level 75 with Scout
Reach level 50 with Scout
Reach level 30 with Scout
Reach level 15 with Scout
Reach level 15 with Berserker
Reach level 30 with Berserker
Reach level 50 with Berserker
Reach level 75 with Berserker
Reach level 100 with Berserker
Reach level 125 with Berserker
Reach level 150 with Berserker
Reach level 200 with Berserker
Survive for 8 minutes in the Brotherhood Chateau
Survive for 12 minutes in the Cursed Necropolis
Reach prestige with Scientist
Reach level 50
Win with Camelopardalis constellation activated
Win with Horologium constellation activated
Win with Leo constellation activated
Win with Cassiopeia constellation activated
Win with only one weapon
Win with Taurus constellation activated
Win Colonnade in 4 minutes or less
Reach prestige with Firefighter Priest
Reach prestige with Elementalist
Win The Great Hall in 5 minutes or less
In The Great Hall, destroy the first door in 30 seconds or less
Reach prestige with Expulgator
Reach prestige with Grenadier
Slay 75 Skeleton Archers
Reach prestige with Reaper
Reborn four times
Reach prestige with Guerrilla
Win with Draco constellation activated
Reborn three times
Reach prestige with Sniper
Win with Orion constellation activated
Reach prestige with Huntress
Survive 30 minutes with 10 characters
Survive 15 minutes with 10 characters
Reach prestige with Berserker
Slay a Cursed Skull
As Paladin, win a run using the Aquarius constellation, the Lightbringer weapon, and collect a minimum of 5 health potions
Win a level with the Cetus Constellation
Win a level with no active Constellations
Survive 8 minutes in a run with the Leo and Taurus Constellations
As Berserker, spend 10 minutes of a single run with 20% or less HP using the Scorpius constellation
Survive 20 minutes in a run with the Chameleon Constellation
Win a level with at least 5 active Constellations
Hunt a Meteor Mage with an active Pegasus Constellation
Wield 10 Revolvers at once
Survive 45 minutes in a run
Reach prestige with Gunslinger
Reborn two times
Survive 15 minutes in a single run
Reach prestige with Reckless
Reach prestige with Android
Slay a Demon
Reborn one time
Reach prestige III with Soldier
Slay the Experimental Fiend for the second time
Slay 1000000 enemies
Slay 25 Knight Legions
Reach prestige with Pyromaniac
Recover a total of 1000 HP
Slay a Skull
Equip 10 primary weapons, 2 secondary weapons, 1 passive and 3 relics
Slay 75 Phantom Skulls
Slay a Gremlin
Reach prestige with Machina
Slay a Bat
Slay a Bat Carapace
Slay 10000 enemies
Slay the Titan
In The Great Hall, win without taking damage from traps
Win with Aquarius constellation activated
Earn 100 coins in a single run
Slay 100 Imps
Win a level
Hunt 4 Elites in a run
Hunt a Sultan of Spheres
Get mowed down by monsters 5 minutes from winning
Hunt 3 Elites in a run
Hunt 10 Hands of Titan
Hunt 1 Minion
Wield 10 primary weapons at once
Wield 5 primary weapons at once
Slay 10 enemies with a single Blood Rush
Slay 500 Vampire Servants
Slay 30 Banshees
Slay 2 enemies with a single shot
Survive 10 minutes in a single run
Reach prestige with Tommy
Slay 5000 enemies
Reach combo level 500
Reach combo level 750
Slay the Batilla
Fill 25 entries in the Collection
Reach level 25
Earn 50 coins in a single run
Slay 2000 enemies
Reach combo level 250
Reach combo level 100
Hit 500 crits
Reach combo level 80
Slay 1000 enemies
Reach combo level 50
Reach level 10
Survive 5 minutes in a single run
Hit 10 consecutive headshots
As Scout, survive for 20 minutes using the Leo constellation and at least one Batbat
Reach combo level 500 while playing with the Aquila Constellation
Survive 10 minutes in a run with at least 5 active Constellations
Survive 20 minutes in a run
Hunt 2 Elites in a run
Hunt 50 Armogs
Hunt a Mantodie
Hunt 15000 monsters
Hunt 1000 Ophidic Reapers
Hunt 50 Uga Blugas
Hunt 30 Werewolves
Get 3 Points of Interest in a run
Hunt a Skullship
Hunt 20 Enraged Werewolves
Hunt 2 Armogs
Hunt 400 Ophidic Reapers
Hunt a Massive Green
Hunt 8000 monsters
Survive 15 minutes in a run
Hunt a Beardedon
Survive 10 minutes in a run
Get a Health Potion
Reach combo level 400
Hunt 500 Punkeys
Get mowed down by monsters
Hunt 500 Sinners
Hunt 500 monsters
Reach level 150 with Scout
Reach level 200 with Scout
Reach level 15 with Paladin
Reach level 30 with Paladin
Reach level 50 with Paladin
Reach level 75 with Paladin
Reach level 100 with Paladin
Reach level 125 with Paladin
Reach level 150 with Paladin
Reach level 200 with Paladin
Survive for 14 minutes in the Village Yard