diff --git a/Factions/Genestealer Cult/Changelog.md b/Factions/Genestealer Cult/Changelog.md
index fe14229..8498621 100644
--- a/Factions/Genestealer Cult/Changelog.md	
+++ b/Factions/Genestealer Cult/Changelog.md	
@@ -1,7 +1,43 @@
-## Update v1.1
+# Genestealer Cults Index
+
+## Update v1.2
+###### 22/08/2024
+### General
+
+The following units have been modified. (Most of these have been updated to match the Codex changes)
+* Aberrants x5
+* Abominant
+* Achilles Ridgerunners x1
+* Acolyte Iconward
+* Atalan Jackals x5
+* Biophagus
+* Goliath Truck
+* Hybrid Metamorphs x5
+* Jackal Alphus
+* Kelermorph
+* Magus
+* Neophyte Hybrids x10
+* Patriarch
+* Primus
+* Reductus Saboteur
+* Sanctus
+
+Removed Unit Profiles
+* Acolyte Hybrids x5
+
+New Unit Profiles
+* Acolyte Hybrids (Hand Flamers) x5
+* Acolyte Hybrids (Autopistols) x5
+* Benefictus
+
+<details>
+<summary><h2>Update v1.1</h2></summary>
+
 ###### 24/06/2024
 ### General
 * Modified the `Readme.md` to reflect the `Psychic` Keyword.
 
 * `Psychic` weapons/abilities added to the following profiles:
-  * Magus
\ No newline at end of file
+  * Magus
+
+  </details>
\ No newline at end of file
diff --git a/Factions/Genestealer Cult/Genestealer-Cults-v1.1.txt b/Factions/Genestealer Cult/Genestealer-Cults-v1.1.txt
deleted file mode 100644
index cb23a17..0000000
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diff --git a/Factions/Genestealer Cult/Genestealer-Cults-v1.2.txt b/Factions/Genestealer Cult/Genestealer-Cults-v1.2.txt
new file mode 100644
index 0000000..910bd88
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diff --git a/Factions/Genestealer Cult/Patches/GC-Patch-2.txt b/Factions/Genestealer Cult/Patches/GC-Patch-2.txt
new file mode 100644
index 0000000..9c45858
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diff --git a/Factions/Genestealer Cult/Patches/Readme.md b/Factions/Genestealer Cult/Patches/Readme.md
index c1d15bb..321a5d0 100644
--- a/Factions/Genestealer Cult/Patches/Readme.md	
+++ b/Factions/Genestealer Cult/Patches/Readme.md	
@@ -1,9 +1,40 @@
-# Genestealer Cult Patch Collection
+# Genestealer Cults Patch Collection
 Please read the [How to apply a Patch](/Guides/Patches.md) guide for installing patches.
 
 Patch | Compatible Data Exports
 --- | ---
 Patch 1 | GenestealerCult-v1.0
+Patch 2 | GenestealerCult-v1.0, GenestealerCult-v1.1
+
+## Patch 2
+### 22/08/2024
+ *Updates v1.0/v1.1 to v1.2*
+
+The following units have been modified. (Most of these have been updated to match the Codex changes)
+* Aberrants x5
+* Abominant
+* Achilles Ridgerunners x1
+* Acolyte Iconward
+* Atalan Jackals x5
+* Biophagus
+* Goliath Truck
+* Hybrid Metamorphs x5
+* Jackal Alphus
+* Kelermorph
+* Magus
+* Neophyte Hybrids x10
+* Patriarch
+* Primus
+* Reductus Saboteur
+* Sanctus
+
+New Unit Profiles
+* Acolyte Hybrids (Hand Flamers) x5
+* Acolyte Hybrids (Autopistols) x5
+* Benefictus
+
+> [!NOTE]
+> The **Acolyte Hybrids x5** profile should now be removed after applying this patch.
 
 ## Patch 1
 ### 24/06/2024
diff --git a/Factions/Genestealer Cult/Readme.md b/Factions/Genestealer Cult/Readme.md
index 920e04c..97600d9 100644
--- a/Factions/Genestealer Cult/Readme.md	
+++ b/Factions/Genestealer Cult/Readme.md	
@@ -1,24 +1,61 @@
-# Genestealer Cult Index v1.1
+# Genestealer Cults Index v1.2
 ## General Information
-* This Index contains all units from the current `Index: Genestealer Cult`
+* This Index contains all units from the current `Codex: Genestealer Cults`
   
 * **`Leaders`** are all separate unit profiles acting as if they were a sole unit on the battlefield, they include their **`Leader`** ability but this should only be used in an **Advanced Profile**. (Refer to [Mixing_Profiles.md](/Guides/Mixing_Profiles.md))
   
 * All units that have the `Damaged: 1-X Wounds Remaining` ability have a `-1 to hit roll (if attacker)` ability in their unit profile that can be enabled.
   
 * All unit profiles have the weapons shown on their datasheet unless specified.
+
+* All unit profile weapons have the default maximum `Count per unit` for that squad size.
+
+* Some Units have Abilities in the form of a Weapon Profile these will have `- (Ability)` at the end of their weapon name.
     
+## Detachment: Host of Ascension
+### Rule
+* **`A Perfect Ambush:`** Add the following abilities to the **Global Modifiers**.
+  * `Sustained hits 1` 
+  * `Ignores cover`
+
+## Detachment: Xenocreed Congregation
+### Rule
+* **`Unquestioning Fanaticism:`** Add `Feel no pain 3+` to the following Profiles:
+  * **Acolyte Iconward**
+  * **Magus**
+  * **Primus**
+  Enable this ability as needed.
+
+## Detachment: Biosanctic Broodsurge
+### Rule
+* **`Hypermorphic Fury:`** Add `Increase attacks by 1 (if attacker charged)` to the **Global Modifiers**.
+
+## Detachment: Brood Brother Auxilia
+### Rule
+* **`Integrated Tactics:`** Add `+1 to hit roll (ranged only)` to the **Global Modifiers**.
+
 ## Units - Standard
 
-* #### Abominant:
-  * **`The Chosen One:`** *Leader Ability* <br> Enable the profile ability `SUSTAINED HITS 1`.
+* #### Aberrants x5:
+  * **`Hulking Bodyguards:`** *Leader Ability* <br> Enable the profile ability `Strength is greater than 6 : -1 to wound roll (if defender)`.
+
+* #### Achilles Ridgerunners x1:
+  * **`Heavy mortar - (Indirect Fire):`** *Weapon* <br> Use these weapon profiles instead of `Heavy mortar` to simulate `INDIRECT FIRE`. (Enable `Defender in Cover` from **Global Modifiers**.)
+  * **`Spotter:`** *Ability* <br> Enable the profile ability `Set BS to 3 (ranged only) (if attacker)`.
+
+* #### Acolyte Hybrids (Hand Flamers) x5:
+  * **`Industrialised Destruction:`** *Ability* <br> Enable the profile ability `Re-roll all possible failed wound rolls (if attacker)`.
 
 * #### Acolyte Iconward:
-  * **`Nexus of Devotion:`** *Leader Ability* <br> Enable the profile ability `Feel no pain 5+`.
+  * **`Nexus of Devotion:`** *Leader Ability* <br> Enable the profile ability `Feel no pain 5+`, change the value to **4** when mixed with the **Hybrid Metamorphs x5**.
+
+* #### Benefictus:
+  * **`Bio-horror Disruption:`** *Leader Ability* <br> Enable the profile ability `Lethal hits (ranged)`.
+  * **`Psionic Shield:`** *Ability* <br> Enable the profile ability `4++ invuln save`.
 
 * #### Biophagus:
-  * **`Twisted Science:`** *Leader Ability* <br> Enable the profile ability `LETHAL HITS`.
-  * **`Alchemicus Familiar:`** <br> Enable the profile ability `Wound roll of 2+ (unmodified) : critical wound (if attacker) (INFANTRY only)`.
+  * **`Twisted Science:`** *Leader Ability* <br> Enable the profile ability `Lethal hits (melee)`.
+  * **`Alchemicus Familiar:`** *Ability* <br> Enable the profile ability `+1 to wound roll (if attacker)`.
 
 * #### Patriarch:
   * **`Might From Beyond:`** *Leader Ability* <br> Enable the profile ability `DEVASTATING WOUNDS`.
@@ -26,16 +63,9 @@
 * #### Primus:
   * **`Cult Demagogue:`** *Leader Ability* <br> Enable the profile ability `Re-roll all possible failed hit rolls (if attacker)`.
 
-* #### Sanctus:
-  * **`Psychic Spoor:`** <br> Enable the profile ability `IGNORES COVER`.
-  * **`Psychic Spoor:`** <br> Enable the profile ability `DEVASTATING WOUNDS`.
-
-* #### Acolyte Hybrids:
-  * **`Vile Insurrectionists:`** <br> Enable the profile ability `Re-roll all hit roll results of 1 (if attacker)`.
-  * **`Vile Insurrectionists:`** <br> Enable the profile ability `Re-roll all wound roll results of 1 (if attacker)`.
-
-* #### Aberrants:
-  * **`Hulking Bodyguards:`** <br> Enable the profile ability `Strength is greater than 6 : -1 to wound roll (if defender)`.
+* #### Reductus Saboteur:
+  * **`Remote explosives - (Indirect Fire):`** *Weapon* <br> Use this weapon profile instead of `Remote explosives` to simulate `INDIRECT FIRE`. (Enable `Defender in Cover` from **Global Modifiers**.)
+  * **`Planted Explosives:`** <br> Ranged weapon profile, when using disable all `Re-roll hit roll` modifiers.
 
-* #### Achilles Ridgerunner:
-  * **`Spotter:`** <br> Enable the profile ability `Set BS to 3 (ranged only) (if attacker)`.
\ No newline at end of file
+* #### Sanctus:
+  * **`Psychic Spoor:`** <br> Enable the profile abilities `Re-roll all possible failed hit rolls (if attacker)` & `Re-roll all possible failed wound rolls (if attacker)`.
\ No newline at end of file
diff --git a/README.md b/README.md
index 2fa7e62..8ed4ceb 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,9 @@ Below are some related links.
 
 ## :loudspeaker: Latest Changes
 
-* New Faction: Adeptus Custodes are now available!
+* **Genestealer Cults** has now been Updated to the codex & Dataslate changes, the profiles are also now compatible with **Advanced Profiles**.
+
+* New Faction: **Adeptus Custodes** are now available!
 
 * A new User Guide has been written to help guide anyone unfamiliar with interacting between this repository and UnitCrunch. 
 
@@ -34,6 +36,7 @@ Current list of Faction Data Exports that have been updated for use with **Advan
 * **Astra Militarum**
 * **Chaos Daemons**
 * **Drukhari**
+* **Genestealer Cults**
 * **Space Marines**
   * **Blood Angels**
 * **T'au Empire**
@@ -48,6 +51,5 @@ If you wish to contribute please read the `contributing.md`, here we outline the
 There are also quick start templates in the `Templates` directory.
 
 ## :clipboard: Todo list
-- [ ] Update Existing Factions to be compatible with Advanced Profiles
-- [ ] Dataslate Changes & MFM
-- [ ] Genestealers Cults Codex Changes
\ No newline at end of file
+- [ ] Update **Imperial Agents** with the new Codex changes and to become compatible with **Advanced Profiles**
+- [ ] Next Faction - Orks WAAAGH!!
\ No newline at end of file