Listed in alphabetical order and grouped based on the location of their purchase:
BEASTMASTER
Asasel
250(ATK) 620(DEF) 200(HP)
Cost: 7.500.000 Gold

Baradyn
340(ATK) 230(DEF) 230(HP)
Cost: 300 Souls

Battlecrier
250(ATK) 150(DEF) 140(HP)
Cost: 1.500.000 Gold

Chaemeth
450(ATK) 950(DEF) 600(HP)
Cost: 850 Souls

Count Beran
400(ATK) 400(DEF) 400(HP)
Cost: 10.000.000 Gold

Master of War
400(ATK) 200(DEF) 300(HP)
Cost: 500 Souls

Master Ritualist
150(ATK) 200(DEF) 300(HP)
Cost: 5.000.000 Gold

Medium of the Steppes
210(ATK) 70(DEF) 120(HP)
Cost: 500.000 Gold

Moor Skulker
160(ATK) 55(DEF) 120(HP)
Cost: 250.000 Gold

Oathkeeper
900(ATK) 600(DEF) 250(HP)
Cost: 950 Souls

Templehound
260(ATK) 140(DEF) 160(HP)
Cost: 150 Souls

Yapek
840(ATK) 120(DEF) 550(HP)
Cost: 750 Souls

EVENTS
Cad Nobis
1250(ATK) 1000(DEF) 600(HP)
Required Level 25 - 75.000 Tickets

Chorion
85(ATK) 40(DEF) 120(HP)
Required Level 5 - 2.500 Tickets
Essence Trove - Dragon Tooth Chain - Achath Chalice

Chaemeth - available during events
450(ATK) 950(DEF) 600(HP)
Required Level 15 - 25.000 Tickets

Malygorn
500(ATK) 700(DEF) 1300(HP)
Required Level 18 - 50.000 Tickets

Somnamphore
300(ATK) 125(DEF) 75(HP)
Required Level 5 - 12.000 Tickets

MARITIMERS
Flame Guardian
950(ATK) 850(DEF) 500(HP)

Haruspex - available only during Events
355(ATK) 700(DEF) 355(HP)

Lava Guard
800(ATK) 1400(DEF) 550(HP)

Lord Ianor
600(ATK) 1200(DEF) 200(HP)

Magmawing
950(ATK) 800(DEF) 400(HP)

GUILD - Elite Merchant
Verdandi
510(ATK) 340(DEF) 430(HP)
Cost: 20.000 Guild honor

LEVEL 25 ACHIEVEMENT
Daughter of Rage
1200(ATK) 420(DEF) 700(HP)

90 SUCCESSES ACHIEVEMENT
Stone Golem
650(ATK) 1400(DEF) 500(HP)

BOSS FIGHTS
Lava Scorpion - Boss 1
35(ATK) 20(DEF) 70(HP)

Phoenix - Boss 2
75(ATK) 60(DEF) 60(HP)

Lindworm - Boss 3
95(ATK) 50(DEF) 120(HP)

Earth Demon - Boss 4
40(ATK) 80(DEF) 160(HP)

Fallen Angel - Boss 5
180(ATK) 60(DEF) 140(HP)

Cull - Boss 7
275(ATK) 90(DEF) 220(HP)

Mistress of the Winds - Boss 10
GLORY DEALER
Eskandir
550(ATK) 1650(DEF) 800(HP)

Gorgonash
1150(ATK) 700(DEF) 650(HP)

Cheers,
st0rm