Satan's Prayer. Zagan makes a prayer to Satan 5 turns into the fight, roll 1d20, DC 10.  On a successful prayer, the domain of Zagan's fight (200ft radius) is encased in an Adamantine cage, enchanted with strength +15.

Zagan's Legion. 4 turns into the fight, Zagan calls for his legion of 264, they appear within 2 turns. (264 Horned Devils)

Spellcasting. Zagan is a 9th-level spellcaster. Its spellcasting ability is at the least double of Kaji's 6 minutes after granted freedom, then up to quintuple (5x) the amount of spell casting power. Zagan has following Demon/Warlock spells prepared:
Cantrips (at will): Acid Splash, Chill Touch, Fire Bolt, Mending, Poison Spray, Thaumaturgy 

9th level spells: Burning Hands, Detect Magic, Disguise Self, False Life, Find Familiar, Hellish Rebuke, Jump, Magic Missile, Protection from Good and Evil, Darkness

Ghanzeth Attributes: able to make things rot at will, flame control, power over disease, power to control swarms (the 264 horned devils), power to detect magic and intercept telepathy, power to cast storms.

Demonic Traits: move objects, create hallucinations, manipulate people, spread lies about God (DM or other deity), lies about God's work, and lies about God's people.

Multiattack. Cast 5 9th level spells, and can cast cantrips at any time, and make 60 attacks with the dual shadow axes.

Shadow Axes. Melee Weapon Attack: +10 to hit, reach 20 ft., any target. Hit: slashing/bludgeoning damage. Can attack 60x.

Frighten. Each subject of Zagan's choice that is within 120 feet of him and are aware of him must succeed on a DC 18 Wisdom saving throw or become frightened for 1 minute.  The subject can repeat the saving throw at the end of each of its turns, ending the effect itself with a success. If the subject's saving throw is successful, the subject is immune to Zagan's Frighten for the next 6 hours.

Inflict Mental Disease. The victim must succeed a DC13 Constitution roll. On a failed save, roll 1d10 and choose from the following to bestow to the unlucky player:

1. Alcohol Hallucinosis
2. Amnestic Disorder
3. Narcolepsy
4. Cocaine Intoxication
5. Cyclothymia
6. Encephalitis Lethargica
7. Lacunar Amnesia
8. Oneirophrenia
9. Residual Schizophrenia
10. Selective Mutism

Inflict Physical Mutilation: Victim must succeed a DC13 Constitution saving throw.  On a failed throw, the victim suffers from one of the following 1d10 effects:

1. Dismemberment of any limb
2. Castration
3. Evisceration
4. Flaying
5. Burn marks
6. Whip lashing marks
7. Circumcision
8. Removal of 1 eye
9. Scratch marks
10. Body piercing 

Move. Can move 25ft in any direction

Fade Away. when taking damage, turn invisible until the end of turn.

Blood to Wine (no action cost): Roll 1d20, DC 13; turns blood into wine.

Wine to Blood (no action cost): Roll 1d20, DC 13; turns wine into blood.

Blood to Oil (no action cost): Roll 1d20, DC 13; turns blood into oil.

Oil to Blood (no action cost): Roll 1d20, DC 13; turns oil into blood.

Possession (costs 1 turn): The victim must make a Wisdom saving throw, DC 13. Upon a failed save, Zagan enters the victims body at will and can control the victim for up to 6 turns. Upon a successful save, the victim must make a Constitution saving throw, DC 13. On the Constitution saving throw's failed save, the victim is given a mental disease chosen by Zagan or DM (If someone is acting as Zagan, roll 1d100, 49 and below, Dm gets to choose, 50+ and Zagan chooses).  Upon a successful saving throw, the victim does not suffer from the possession, and repels Zagan from their body for 1d6 (+Wisdom saving throw) turns.