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The Binding of Isaac: Rebirth

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The Binding of Isaac: Rebirth > Workshop > Ultrinik's Workshop

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Heaven's Call [Solar Update](RGON)

Description Discussions8 Comments235 Change Notes

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Tags: Lua, Items, Active Items, Trinkets, Pills, Cards, Pickups, Familiars, Rooms, Floors, Enemies, Bosses, Hazards, Challenges, Graphics, Shaders, Sound Effects, Music

File Size

Posted

Updated

80.778 MB

Jun 19, 2025 @ 7:41pm

Sep 3, 2025 @ 4:21pm

12 Change Notes ( view )

Required DLC

This item requires all of the following DLC

The Binding of Isaac: Afterbirth

The Binding of Isaac: Afterbirth+

The Binding of Isaac: Repentance

Required items

This item requires all of the following other items

[BETA] REPENTOGON: Isaac Script Extender

[AB+|Rep(+)] MiniMAPI: A Minimap API

Links

On Twitter (External link)

Created by

Ultrinik
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3,218	Current Favorites

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Description

DO NOT HAVE INSTALLED OLD HEAVEN'S CALL VERSION!!!
THIS MOD REQUIRES TO FUNCTION[repentogon.com]

Check Isaac Guru's page for more detailed information [isaacguru.com]

Follow Heaven's Call on Twitter

Mirror download for manual installation [github.com]

Play Heaven's Call Suika [ultrinik.itch.io]

13 new boss battles await your challenge!

1 FINAL BOSS!
10 Challenge Bosses!
2 Special Bosses!

2 new rooms are ready to be explored!

Astral Challenge: Battle a planet for treasures! There are two kinds: a Chapter 2-3 challenge and a Chapter 5 challenge.
Lunar Pact: Break your hearts for high quality items!

23 new items + 16 new trinkets await to be collected!

10 Passives
6 Actives
7 Familiars
16 Trinkets

3 new challenges are ready to be beaten!

Tower of Babel : Boss Rush & Arena challenge
True Solar System : BALLS!
Escape the Everchanger : Horror escape room challenge

More stuff which I won't dedicate a section to!

Reach Sol the Absolute

To reach Sol the Absolute the two Astral Challenges must be completed during the run, and Isaac must enter the Blue Chest. Alternatively, Sol can be found at the top of the Tower of Babel on Ascended difficulty.

Andromeda has the ability to transform regular challenge rooms into astral ones using Gravity Shift! (once per kind).

Mods with special interactions

MiniMAPI

Highly recommended but not required, without it mini-map icons won't show properly.

Andromeda

Unlocks for beating Sol with Andromeda and T. Andromeda, plus a special Gravity Shift interaction in regular challenge rooms.

The Future

The stars are calling!

Enhanced Boss Bars

Bosses have custom icons and health bars

External Item Descriptions

Descriptions for most stuff in the mod

Addtional small interactions with the following mods: Fiend Folio, Revelations, Fall From Grace, Tainted Treasure, Rune Rooms, Antibirth Runes, Godmode, Exodus, Alt Horsemen, Boss Butch!, Last Judgement, Dark Vaults, Fruity Rooms, Epiphany, Eternal Edition, Arachna, Time Machine

Credits

Ultrinik: Main developer
Nihil: Music
Junky: Help with artworks
Kharjaro: Help with sound effects
Aladar, Churupinha, mycenaut, Harvester, Mattee, Opexe, Grommy, IzzyIsakoi_: Help with sprites
Jerb: Help with shaders

And every mod developer from which I used code <3
If you collaborated with HC development and your name is not here, tell me!

Heaven’s Call has been primarily the endeavor of a single person. If you enjoy my work and want to support me with a tip, feel free to visit my Ko-fi! [ko-fi.com]

If you are going to report a bug or post a suggestion, please do so in the appropriate discussion.

Popular Discussions View All (8)

155

Jul 2 @ 6:34pm

PINNED: Bugs

Ultrinik

Jun 13 @ 5:43am

PINNED: Feedback and Suggestions

Ultrinik

Jun 20 @ 12:27pm

Any future playable characters?

Jagger

235 Comments

< >

Leader

Jul 10 @ 5:34pm

there's a small bug with this and Improved & Reworked Foes and the Void Matter trinket where certain bosses will become your thrall but still attack/hurt you. Nothing too important to rush a fix or fix at all tbh. Just thought I'd comment this for awareness

Ultrinik [author]

Jun 23 @ 4:57pm

if it really didn't unlocked you can use the mod condig menu to force the unlock

Apollo

Jun 23 @ 4:05pm

So i already beat him, but the challenge isn't unlocking. I beat the old version of Escape the ever changer so i have all that stuff.

Ultrinik [author]

Jun 23 @ 2:51pm

any other mods installed?

ᴙƎꟻꟻUꙄ

Jun 23 @ 3:42am

The Jupiter boss fight appears to be broken, keeps not spawning and just locking me in the room, I'm unable to complete the Tower of Babel because of it. (from further testing in normal runs, it appears that ONLY Jupiter is broken.)