Heroes

Slime

Slimes can't be used in battle. Instead, they're used to increase your Heroes' skill levels.
Slime
Crystal Ooze
Gelatinous Champion
Master Slime

Ordinary Hero

Angel
Marksman
Hill Giant
Engineer
Frost Witch
Dryad
Alchemist
Marauder

Elite Hero

Executioner
Assassin
Werewolf
Cyclops
Pain-Da
Shaman
Serpent Queen
Ice Demon
Triton

Legend Hero

Paladin
Spirit Mage
Ninja
Succubus
Champion
Druid
Thunder God
Minotaur Chieftain
Grizzly Reaper
Pumpkin Duke
Atlanticore
Snowzilla
Cupid
Immortep
Moltanica
Aries
Vlad Dracula
Orksbane
Santa Boom
Death Knight
Pixie
Destroyer
Siren
Warlock
Treantaur
Harpy Queen
Skull Knight
Dread Drake
Ghoulem
Candy Kane
Arctica
Valentina
Phantom King
Beast Tamer
Lady Leo
Grimfiend
Dracax
Medusa
Demogorgon
Trixie Treat
Revenant
Lil' Nick
Michael
Heartbreaker
Anubis
Ronin
Gunslinger
Rockno
Mechtessa
Skeletica
Wallawalla
Creation-01
Athene
Sasquatch
Espirita
Dove Keeper
Cirrina
Storm Eater
Professor Ribbit
Lavanica
Asura
Ma Hatma
Rowdy Rascals
Bogeyman
Commodora
Lazulix
Plant Warrior
Rosaleen
Cosmo
Ripper
Svalinn
Zephyrica
Occultist
Phobos
Queen Wasp
Hot Shot
Bloody Mary
Landwalker
Jumbear
Rambard
Crystal Wraith
Boreal Fox
Ice Lady
Valiant Saintess
Rune Master
Cinder Matron
Alphamech
Dark Mage
Berserker
Wordless Zealot
Miss Magic

Epic Hero

Catty Spirit
Searing Slayer
Kunoichi
Serratica
Drunken Simian
Gravedigger
Spartan Spearman
Hex Painter
Stormwing
Underworld Judge
Crystella
Tundrahoof
Sword Sage
Flame Darklord
Flower Fae
Murderous Crow
Flutterelle
Void Knight
Jewellee
Celestica
Dusk Knight
Dragon Scholar
Shadow Baron
Spider Queen
Lightchaser
Evil Eye
Lunar Hunter
Tusked Menace
Mystrix
Mako Warrior
Rosespecter
Lumiglade
Soul Seeker
Abyss Apostle
Luminah
Electroranger
Malefica
Melody
Dynamica
Demon Stalker
Young Spark
Boa Queen
Water Priestess
Mad Inventor
Axe Punisher
Massacre
Cold Heir
Royal Mummy
Colossus
Grief Harpist
Barbarian Rider
Cold Conjuress
Genteel Droid
Lady Weldcore
Inquisitess
Vermilica
Cosmic Pugilist
Merksha
Despotic Maestro
Primeval Golem

Summon Sentinels

Briar Queen
Frost Golem
Flame Stallion
Cerberus
Winged Lion

Pet

Super Pet