The Great Rift Guide
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S1: Forbidden Catalyst | The Great Rift
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Score as many points using two teams within a limited number of turns in The Great Rift, which is part of the Forbidden Catalyst seasonal content in Chaos Zero Nightmare (CZN). Learn more about The Great Rift event, its mechanics, boss guide, recommended teams and cards, and release date here!
List of Contents
The Great Rift Mechanics
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Amplify Effect List
| All Great Rift Round 2 Amplify Effect |
|---|
|
・ Increase Damage Amount of Void and Instinct Cards by 50% ・ At the start of battle, increase Max HP by 100% ・ On Ravage, +50% Damage Amount to Instinct Cards for this battle (1 time per turn, max 10) ・ For the Rearguard battle, when the battle begins, all but 1 copy of Upgrade Cards with the same name will be removed, and the remaining cards will have Unique applied to them. ・ You will gain Combat Score based on the Damage Amount, and once you reach a certain threshold of damage, the score you receive in this manner will gradually be reduced. |
Vanguard Mechanics - Substitute
Beginning of Desire will add Substitue cards in your Draw Pile and becomes stronger for each of those cards. Substitute cards have the inspiration tag so drawing them with an ability card can turn these debilitating cards to useful card draw engine for your team.
Occasionally obtains Destructive Urge and will have starting stacks. Each hit will reduce a stack and depleting it will prevent Beginning of Desire's strong attack.
Rearguard Mechanics - Counterfeit
During the Rearguard phase, Beginning of Desire will switch from adding Subsitutes into your deck into Counterfeit. Instead of being activated by inspiration to turn them to free card draws, these Counterfeit will start with 2 cost and will have its cost reduced by 1 per ravage against Beginning of Desire.
Constantly Ravaging Beginning of Desire per turn is crucial to prevent your deck from bricking with unusable cards.
The Great Rift Boss Guide
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Focus on Multiple Card Hits on the Vanguard Phase
Similar to Round 1 of The Great Rift, most points will be obtained during the Rearguard portion of the fight. Its crucial to bypass this by completing the Vanguard phase as soon as possible. However, Beginning of Desire will begin the fight with Mucus so using extra-attack focused decks will not cause that much damage.
Its imperative to use multi-hit cards or multiple low cost card to quickly get through Beginning of Desire's defenses.
Use Card Draws to Remove Substitute's Negative Effects
Drawing Substitute cards and activating its inspiration will let you draw a card from its effect while also reducing its cost to 0. This makes your deck faster and makes cycling through your card much faster.
Focus in Ravaging Beginning of Desire on the Rearguard Phase
Beginning of Desire will begin to bloat your deck with Counterfeit cards. Constantly ravaging Beginning of Desire will let you avoid a bricked deck by continuously reducing the Counterfeit's cost in your deck.
Ravage Beginning of Desire to Stop Destructive Urge During Vanguard Phase
When Beginning of Desire begins to prepare for its Destructive Urge, Ravage it to stop the incoming attack. This will also be more visible if it starts summoning floating blue orbs around the battlefield.
Ravaging it will also shuffle your hand into your deck for a replenished card set.
How to Get High Scores in The Great Rift
Use a Void DPS on the Rearguard Phase
A well-built Void DPS is highly recommend as your main combatant for the Rearguard phase. This will let you capitalize on the 50% void card damage bonus to quickly obliterate Beginning of Desire's HP pool.
Complete the Vanguard Phase in 5 Turns
As most scores from The Great Rift is supplied by the Rearguard, its imperative to defeat Beginning of Desire in less than 5 turns. This will let the Rearguard carry over the Vanguard's turn with a 5 turn cap limit.
Ensure You Can Ravage Every Turn on Rearguard's Phase
Ravaging Beginning of Desire every turn on the Rearguard's Phase is crucial to avoid bricking your turn with counterfeit cards. Consider using combatants such as the current rate up Sereniel to easily burst down the boss' Tenacity bar.
Recommended Cards for The Great Rift
| Role | Cards |
|---|---|
| Striker/Vanguard | |
| Ranger/Hunter | |
| Psionic/Controller | |
| Any Role | |
| Forbidden Cards |
Skill
Attack
Most of the cards shown here revolves around free draws, these are especially helpful in game modes that restricts the gameplay by limiting turns. One combo here that can help most teams is to have the Forbidden Card, Eternal Hunger, and discard it using Precision Aim to be drawn again and get free 1 AP and draw.
One outlier is the neutral card, Negotiation. It buffs your team with 2 Morale but also buffs the enemies with the same effect. This seems like a double-edged sword however, The Great Rift doubles the max HP of your party which leads to builds pathing more towrads offensive rather than defensive.
The Great Rift Rewards
Personal Best Record Rewards
| Personal Record | Rewards |
|---|---|
| Reach a Best Record of 20,000 or higher |
 Traces of Memory
x30 Pure White Fragment
x200 Unit
x25,000 |
| Reach a Best Record of 25,000 or higher |
Traces of Memory
x30 Pure White Fragment
x200 Unit
x25,000 |
| Reach a Best Record of 40,000 or higher |
Traces of Memory
x30 Pure White Fragment
x200 Unit
x25,000 |
| Reach a Best Record of 60,000 or higher |
 Crystals
x50 Pure White Fragment
x200 Unit
x35,000 |
| Reach a Best Record of 80,000 or higher |
Traces of Memory
x30 Pure White Fragment
x200 Unit
x35,000 |
| Reach a Best Record of 100,000 or higher |
Traces of Memory
x30 Pure White Fragment
x200 Unit
x35,000 |
| Reach a Best Record of 200,000 or higher |
Crystals
x50 Pure White Fragment
x200 Unit
x45,000 |
| Reach a Best Record of 300,000 or higher |
Traces of Memory
x30 Pure White Fragment
x200 Unit
x45,000 |
| Reach a Best Record of 400,000 or higher |
Traces of Memory
x30 Pure White Fragment
x200 Unit
x45,000 |
| Reach a Best Record of 500,000 or higher |
Traces of Memory
x30 Pure White Fragment
x200 Unit
x60,000 |
You will get these rewards once you reach a personal best score in any difficulty runs. Do note that these rewards are one-time only and will reset in Phase 3.
Weekly Cumulative Rewards
| Cumulative Score | Rewards |
|---|---|
| Achieve a cumulative score of at least 100,000 |
Crystals
x60 Traces of Memory
x50 Pure White Fragment
x1000 Unit
x80,000 |
| Achieve a cumulative score of at least 200,000 |
Crystals
x60 Traces of Memory
x50 Pure White Fragment
x1000 Unit
x80,000 |
| Achieve a cumulative score of at least 300,000 |
Crystals
x70 Traces of Memory
x50 Pure White Fragment
x1000 Unit
x80,000 |
| Achieve a cumulative score of at least 500,000 |
Crystals
x80 Traces of Memory
x50 Pure White Fragment
x1000 Unit
x80,000 |
Every Sunday at 18:00 (UTC), you will get rewards by adding all scores you got in every run you complete every week. Make sure to gather 500,000 score every week to get all the rewards.
Merit Rank Rewards
| Rank | Rewards |
|---|---|
| Master Top 1% |
Suppressed Servant [Master] Sticker
Traces of Memory
x180 Pure White Fragment
x2500 Prism Lens
x5 |
| Diamond Top 3% |
Suppressed Servant [Diamond] Sticker
Traces of Memory
x170 Pure White Fragment
x2300 Prism Lens
x5 |
| Platinum Top 10% |
Suppressed Servant [Platinum] Sticker
Traces of Memory
x160 Pure White Fragment
x2200 Prism Lens
x5 |
| Gold Top 30% |
Suppressed Servant [Gold] Sticker
Traces of Memory
x140 Pure White Fragment
x2000 Prism Lens
x5 |
| Silver Top 50% |
Suppressed Servant [Silver] Sticker
Traces of Memory
x120 Pure White Fragment
x1800 Prism Lens
x5 |
| Bronze Top 100% |
Suppressed Servant [Bronze] Sticker
Traces of Memory
x100 Pure White Fragment
x1500 Prism Lens
x5 |
Referencing the highest score you achieve in all of your runs, you will be placed a ranking based on other player's performance. Rewards will be given before the end of Phase 2.
What is The Great Rift
Two Teams and Two-Phase Boss Fight
The Great Rift involves forming two teams to take on a two-phase boss fight. The goal of the event is to score as many points as you can within a limited number of turns. There will be obtainable effects during the fight, and the higher your points at the end, the higher your rewards can be!
It is imporant to note that there will also be cumulative rewards as you repeat the fights, but there will also be rewards based on the highest score you get.
Obtain Record Rewards Based on High Score
After dealing damage, the damage you deal will be converted to your run's score. Your score will determine the rewards you can get and weekly cumulative rewards will also progress based on the total score you get throughout the week.
Merit Ranking is the Leaderboard and Shows the Top Players
A unique addition to this event would be leaderboards showing the top players in The Great Rift. You can use this to copy their strategies and further improve your scores! The ranking will display the top 1000 players and will have separate calculations for the first and second half of the season.
Merit Ranking List
| Rank | Percentile |
|---|---|
| Master | Top 1% |
| Diamond | Top 3% |
| Platinum | Top 10% |
| Gold | Top 30% |
| Silver | Top 50% |
| Bronze | Top 100% |
Regular Save Data Can Be Used
For The Great Rift content, you'll be able to use both Basic Save Data and Forbidden Catalyst Save Data. If you have a fully decked out Save Data from outside Laboratory 0, consider bringing it to the fight and rack up higher points!
The Great Rift Release Date
Releases on December 3, 2025
The Great Rift was released on December 3, 2025, along with the Phase 2 of the seasonal Forbidden Catalyst event.
Second Half Releases on December 24
For the second half of The Great Rift, it will begin in Phase 3 after the patch update on the 24th of December and will last until the 13th of January 2026.
Chaos Zero Nightmare (CZN) Related Guides
Season 1: Forbidden Catalyst Guides
| Season 1: Forbidden Catalyst | |
|---|---|
| The Great Rift Guide | Nebula Distortion Guide |
| Supply Store Items | Laboratory 0 Guide |
| How to Reach Laboratory 0's Secret Boss | - |
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