This is more of a quick-reference setup than anything fancy. If you’re trying to figure out how each class works, what they turn into, and how to unlock them, this should save you a lot of digging.
I’ve kept everything clean and straight to the point so you can just jump in, find what you need, and move on.
Artificer
- Base Class: Artificer
- Synergy Class: Wright
- Needed: Samurai or Ninja
- Type: Magic Hero
- Unlock: Achievement – Fiery Temper (Defeat Wave 25 in the Burning Forest)
Barbarian
- Base Class: Barbarian
- Synergy Class: Berserker
- Needed: Brawler or Boxer
- Type: Strength Hero
- Unlock: Skill Tree – The Barbarian
Bard
- Base Class: Bard
- Synergy Class: Poet
- Needed: Monk or Drunken Fist
- Type: Dexterity Hero
- Unlock: Skill Tree – The Bard
Barkeep
- Base Class: Barkeep
- Synergy Class: Alchemist
- Needed: Herbalist or Apothecary
- Type: Strength Hero
- Unlock: Achievement – Cold Shoulder (Beat Wave 25 in the Frozen Caves)
Battlemage
- Base Class: Battlemage
- Synergy Class: Enchanter
- Needed: Wizard or Magus
- Type: Magic Hero
- Unlock: Skill Tree – The Battlemage
Brawler
- Base Class: Brawler
- Synergy Class: Boxer
- Needed: Mercenary or Bounty Hunter
- Type: Strength Hero
- Unlock: Skill Tree – The Brawler
Cleric
- Base Class: Cleric
- Synergy Class: Mender
- Needed: Paladin or Templar
- Type: Magic Hero
- Unlock: Starter Hero
Druid
- Base Class: Druid
- Synergy Class: Grovekeeper
- Needed: Lumberjack or Axeman
- Type: Magic Hero
- Unlock: Skill Tree – The Druid
Duelist
- Base Class: Duelist
- Synergy Class: Fencer
- Needed: Gunslinger or Trickshot
- Type: Dexterity Hero
- Unlock: Achievement – Lost in the Woods (Beat Wave 25 in the Deep Woods)
Guardian
- Base Class: Guardian
- Synergy Class: Bulwark
- Needed: Shield Mage or Bastion
- Type: Defense Hero
- Unlock: Skill Tree – The Guardian
Gunslinger
- Base Class: Gunslinger
- Synergy Class: Trickshot
- Needed: Swashbuckler or Trickster
- Type: Dexterity Hero
- Unlock: Skill Tree – The Gunslinger
Herbalist
- Base Class: Herbalist
- Synergy Class: Apothecary
- Needed: Ranger or Snapshot
- Type: Magic Hero
- Unlock: Achievement – Deep Dark (Beat Wave 25 in the Lost Caverns)
Knight
- Base Class: Knight
- Synergy Class: Stalwart
- Needed: Smith or Armorer
- Type: Defense Hero
- Unlock: Skill Tree – The Knight
Lumberjack
- Base Class: Lumberjack
- Synergy Class: Axeman
- Needed: Warrior or Spellblade
- Type: Strength Hero
- Unlock: Achievement – Firewood (Beat Wave 25 in the Blazing Forest)
Mercenary
- Base Class: Mercenary
- Synergy Class: Bounty Hunter
- Needed: Tax Collector or Strongarm
- Type: Dexterity Hero
- Unlock: Skill Tree – The Mercenary
Monk
- Base Class: Monk
- Synergy Class: Drunken Fist
- Needed: Barkeep or Alchemist
- Type: Dexterity Hero
- Unlock: Achievement – Deep Shadows (Beat Wave 25 in the Ashen Cliffs)
Paladin
- Base Class: Paladin
- Synergy Class: Templar
- Needed: Priest or Bishop
- Type: Defense Hero
- Unlock: Skill Tree – The Paladin
Peasant
- Base Class: Peasant
- Synergy Class: Protagonist
- Needed: Three Other Synergy Heroes
- Type: Strength Hero
- Unlock: Achievement – Rocky Start (Beat Wave 25 in the Dusty Canyons)
Priest
- Base Class: Priest
- Synergy Class: Bishop
- Needed: Knight or Stalwart
- Type: Magic Hero
- Unlock: Achievement – Religious Experience (Beat Wave 25 in the Forgotten Temple)
Ranger
- Base Class: Ranger
- Synergy Class: Snapshot
- Needed: Artificer or Wright
- Type: Dexterity Hero
- Unlock: Starter Hero
Rogue
- Base Class: Rogue
- Synergy Class: Assassin
- Needed: Duelist or Fencer
- Type: Dexterity Hero
- Unlock: Starter Hero
Samurai
- Base Class: Samurai
- Synergy Class: Ninja
- Needed: Rogue or Assassin
- Type: Dexterity Hero
- Unlock: Skill Tree – The Samurai
Shield Mage
- Base Class: Shield Mage
- Synergy Class: Bastion
- Needed: Battlemage or Enchanter
- Type: Defense Hero
- Unlock: Skill Tree – The Shield Mage
Smith
- Base Class: Smith
- Synergy Class: Armorer
- Needed: Guardian or Bulwark
- Type: Strength Hero
- Unlock: Skill Tree – The Smith
Sorcerer
- Base Class: Sorcerer
- Synergy Class: Warlock
- Needed: Witch or Hexer
- Type: Magic Hero
- Unlock: Skill Tree – The Sorcerer
Swashbuckler
- Base Class: Swashbuckler
- Synergy Class: Trickster
- Needed: Bard or Poet
- Type: Defense Hero
- Unlock: Skill Tree – The Swashbuckler
Tax Collector
- Base Class: Tax Collector
- Synergy Class: Strongarm
- Needed: Barbarian or Berserker
- Type: Defense Hero
- Unlock: Achievement – Graveyard Shift (Beat Wave 25 in the Dead Stronghold)
Warrior
- Base Class: Warrior
- Synergy Class: Spellblade
- Needed: Sorcerer or Warlock
- Type: Strength Hero
- Unlock: Starter Hero
Witch
- Base Class: Witch
- Synergy Class: Hexer
- Needed: Cleric or Mender
- Type: Magic Hero
- Unlock: Achievement – Soaking Wet (Beat Wave 25 in the Ruined Chapel)
Wizard
- Base Class: Wizard
- Synergy Class: Magus
- Needed: Druid or Grovekeeper
- Type: Magic Hero
- Unlock: Starter Hero
That’s the full list laid out clean.
If you’re trying to plan builds, the key thing to focus on is the synergy requirements. That’s what determines how your class evolves, so keep an eye on what pairs with what instead of just picking things randomly.
Everything else is just a matter of unlocking them through either the skill tree or pushing to Wave 25 in the right places.