Elder God: Has ressistance against  Bludgeoning and piercing.

Highest God: Death Grants a Bonus Action to Throw all 9 Thunderbolts at a target dealing 12 damage

Phase One

Thunderchuck. throws a series of ThunderBolts Dealing 1d4 damage unless succeed a dex saving throw (DC12) .

Soundwave. make a dex saving throw (DC18) or Get knocked 10 Backwards by a thundering Screech

Split. Zeus Splits into Three separate clouds that launch at enemies (to hit 1d10) damage (1d13)

Phase Two

Clear!: make a dex saving throw (DC15) if failed become paralyzed

Hurdle: Zeus throws himself (to hit 1d20+3 Dc17) and deals 2d12 Damage 

Blind: Zeus Throws clouds at the Causing Blindness unless succeeded a (DC12) perception saving throw , clouds last for a round

Phase Three

Vanish: a cloud makes zeus vanish and he teleports Behind a Party member , as a bonus action Zeus can touch target dealing a 1d5 damage

Enlarge Thunder: the Dm and Mumbo Jumbo drops from heaven and expands Zeus' thunderbolt and can do the following: Throw it dealing 1d10 damage 

Laser Eyes: Zeus does a perception check (DC15) and then shoots a beam dealing Fire damage (1d4 damage)

Phase Four

Attract And Repel: All players must make a Str Saving Throw , (DC15) if they fail Zeus pulls them in and they Take 10d4 Damage then thrown back on field

Blood For Blood: a blood red cloud flies overhead six thunderbolts strike dealing 3 Damage Each 

Shock: Zeus can touch target dealing a 1d5 damage

.

Drops:

Zeus' Thunder

Immortal Amulet