Fallen God: this God cannot be banished or sealed away he can only be killed

The world eater:  when it when it becomes very low HP it can regenerate 6d10 and too slowly consume the surrounding area and the life within it

Multiattacks 3. with any melee attacks

Melee attack Cosmic sword: +9 to hit reach 25ft on 2 or 1 Target (4d6+6)

Melee attack Dimensional Slash. to hit +9 reach 10ft on 1 Target (3d4+5)

Melee attack Slam punch. to hit +9 reach 5ft on 1 Target (3d12+5)

2 actions Range attack Cosmic shatter. to hit +9 reach 50ft on 4 targets in a 40ft line (9d12+6)

Full actions well of hunger. If any creatures Within 10ft sphere everything within has to make a Constitution saving DC 17 on success they take half damage and on failure they take (8d6) necrotic damage and the world eater heals from the damage and those who fail get the paralyzed condition

Calling reinforcements roll 1d6 depending on how many monsters or Riflemen appear for Monsters it is challenge reading 10 and below

Riftwalk he can teleport Within 30ft that he can see

Cosmic hallucinations: must make a wisdom saving throw DC 17  on a success they do not suffer from illusions on a failure they suffer from Illusions and Trauma that they witness from their pass

On a hit he can teleport away up to 10ft

When a creature within 5ft misses an attack he can he can make a melee attack