Bittersprite

Bittersprites are devilish fairy-like creatures that drop a Golden key when killed, which are used to unlock a Golden Chest.

Characters and monsters
Classes	T1: Alchemist • Destroyer • Vanquisher T2: Berserker • Embermage • Engineer • Outlander T3: Dusk Mage • Forge • Railmaster • Sharpshooter
Non-player characters	T1: Syl • Brink • Vasman • Goren • Gorn and Furl • Hatch • Trill-Bot 4000 • Duran the Transmuter • Duros the Blade • Horse • Ulrec • Goldenrod • Kolos • Triya • Gar • Valeria T2: Commander Vale • Elemental Guardians • Fazeer Shah • Grand Regent • Professor Stoker • Sphinx
Monsters and races	Animal • Bandit • Basilisk • Bittersprite • Blood Disciple • Burrower • Construct • Cursed Sword • Dark Zealot • Dragonkin • Dwarf • Dwarven Automata • Elemental • Estherian • Ezrohir • Felwing • Gargoyle • Gel • Ghost • Goblin • Goblin Hound • Lich • Manticore • Mechanical Construct • Mimic • Mirka • Mycon • Netherim • Ponya • Phase Beast • Ratlin • Roach • Skeleton • Spectral Dragon • Spectre • Spider • Strider • Sturmbeorn • Tattered Lurker • Troglodyte • Troll • Tu'tara • Varkolyn • Werewolf • Witch • Yakotaur • Zeraphi • Zombie
Bosses	T1: Brink the Corrupted • Lady Aleera • Lady Marishka • Lady Verona • The Overseer • Vilebracken • Ember Colossus • Krag • Medea • Shade • Master Alric • Ordrak T2: Fallen Guardian • Mordrox • One-Eyed Willy • General Grell • Winter Widow • Chillhoof • King Pogg • Kidrik the Mauler • Grand Regent • Manaforged • Juthama Kasam • Manticore • Artificer • Encrusted Guardian • The King in Masks • Aruk the Cruel • Ezrek Khan • Siege Guardian • Boletus Rex • Grom the Murderer • Wraith Lord • Grizzled Alpha • Bloatfang • Cacklespit • Lady Aleera • Lady Marishka • Lady Verona • Thiss • Vyrax • War Titan • Dark Alchemist • Netherlord