Celebrate Christmas and the start of a new year with the last update cycle of Chaos Zero Nightmare Forbidden Catalyst Galactic Disaster Season with the brand new Catalyst of Evolution update, featuring the brand new limited seasonal character Sereniel. In this guide, we will go over every events and details players need to know about Chaos Zero Nightmare brand new Catalyst of Evolution Update.
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Chaos Zero Nightmare Catalyst of Evolution Update – Everything You Need To Know
The third phase of the 1st season of Galactic Disaster Forbidden Catalyst – Catalyst of Evolution update patch will be available for a total of 3 weeks, from the 24th of December, 2025 until January 13th, 2026. This update features a large amount of rewards, events, special story updates and the release of a brand new 5-star Character – Sereniel.
Special Year End Celebration Reward
To celebrate the year’s end and to thank players for sticking with the game through various errors and mistakes, the game will be giving out a total of 20 Free Limited Pulls as compensation and celebration rewards for players.
– 10 Limited Pulls for Year End Celebration and 2026 Roadmap Livestream: From 20th of December, 2025 to 3rd of January, 2026.
– 10 Limited Pulls to compensate for the release of a seasonal character so soon: From 24th of December, 2025 until the 7th of January, 2026.

These rewards will be immediately given out into the players’ mailbox and will stay there for 7 days, so be sure to log in and claim these rewards in time.
Brand New Story & New Chaos Boss
Of course, with the release of a new update patch, players will be able to play through and read the brand new side story chapter from the event, featuring the brand new 5-star character Sereniel and what her role is in the dark experiments that are going on.the conclusion of the Forbidden Catalyst Storyline with the experiment Haku.

Additionally, upon clearing this update patch’s side story chapter, players will be able to unlock the brand new boss in the event’s chaos Haku and be able to challenge the new boss to obtain equipment rewards during each Chaos run.
New The Great Rift Season
With the release of the 3rd patch of the Forbidden Catalyst Galactic Disaster Season, a brand new season of The Great Rift gamemode will be available for 3 weeks, allowing players to challenge the new boss with new mechanics and new teams.

In The Great Rift game mode, players will need to form 2 different teams of 3 characters to challenge a 2-phase boss with the goal of dealing as much damage as possible to the boss in a short number of turns to gain as many points as possible.
The boss in this mode is divided into 2 different elements and requires 2 different teams with 2 completely different gimmicks to challenge. The gimmick this time revolves around dealing Void and Instinct Damage, with the first phase requiring you to deal as much Void damage with attack cards that have many hits as possible, preferring the playstyle of Chizuru and other attack card spammers. Meanwhile, the second phase favors breaking the boss’ tenacity bar as many times as possible to deal massive amounts of damage and prefers Instinct Damage, making Sereniel the preferred DPs for this phase of the boss.
3rd Phase Event Shop Rewards
In addition to the new season for the The Great Rift gamemode and the reset of the event leaderboard, the 3rd tab of the event exclusive event shop has been opened for players to exchange for exclusive rewards. With the opening of the 3rd event exclusive store tab, players will still be able to exchange for rewards from the event’s 1st and 2nd week, so no need to worry as well.

The main exchange for the 3rd shop are the rescue beacons, allowing players to get 5 limited pulls and 5 standard pulls. Additionally, this event shop phase will feature upgrading materials for the Hunter class and Instinct Element, suitable for players to exchange for and upgrade Sereniel.
New Year Celebration Greetings Campaign
From now to the end of the update patch, players will be able to participate in a 10 days new year celebration campaign and obtain special new year greetings from their favorite Combatants.

During the event period, logging into the game will unlock the day’s new year greetings, where players need to spend a certain amount of stamina to clear quests in order to unlock. Upon unlocking, players will be able to pick their favorite Combatant to obtain new year greetings from them and get amazing rewards like Crystals , Limited Rescue Beacons, character upgrading materials and more.
Sereniel Memoirs Event
To celebrate the release of Sereniel, a special mission event will be available for players to participate in to obtain Combatant upgrading materials and more by completing special missions.

During the event period, sets of 3 missions will be unlocked every day for a total of 7 days, requiring players to complete specific combatant upgrading tasks to obtain amazing rewards like Crystals, combatant upgrading materials and more. The materials given are materials that can be used to upgrade Instinct characters and specifically Sereniel.
Special New Year Log In Events
One of the most important events that players can participate in and obtain rewards during this update patch are the 2 brand new log in events.

The first is the New Year Celebration Log In Event, where players can log into the game for 7 days to obtain up to 10 Limited Pulls and 5 Standard Pulls. This event starts on January 1st until the end of the update patch.
The second log in event is the usual special Rei’s gift log in event, where players can obtain 10 Polaroid pulls to obtain special currencies that turn Combatants cards into L2D Cards. This event starts on the 6th of January, 2026 and lasts until the end of the update patch.
Chaos Zero Nightmare Brand New Limited Rate Up Banner – Sereniel
Together with the release of the brand new update patch, Chaos Zero Nightmare also introduced a brand new character, the first ever limited seasonal character for the game – Sereniel
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Sereniel
Sereniel is a 5-star Instinct elemental character that specializes in dealing massive amounts of damage to enemies to put them in the Ravaged state to move all her attack cards back onto the hand and bombard them with attacks even more. She is the game’s first ever Seasonal Character.

Sereniel’s main gameplay revolves around the special effect Ravage, activates whenever an enemy’s tenacity bar reaches 0 and allows you to deal more damage to enemies. For Sereniel, she takes full effect of the Ravaged state by being able to move her 0 cost cards onto the hand and bombard the enemy with as many attack cards as possible within a short period of time.
Sereniel’s play style revolves around creating as many Homing Laser L cards as possible, cards that will be exhausted after 2 usage and that can automatically move themselves onto the hand whenever the enemies are ravaged. This allows players to use these cards once when they are in the hand to inflict massive amounts of Tenacity damage to enemies before ravaging them, moving the cards onto your hand once again and bombarding them with these 0 cost cards again. These Homing Laser L cards can be created with various card effects on Sereniel’s card deck.
Should You Roll
Yes, Absolutely. Not only is Sereniel the game’s first ever Limited Seasonal Character, meaning she won’t be added to the game’s standard character pool after this update ends, she is also one of the game’s most powerful DPS characters by far.

Serieniel’s powerful card spamming skill kit that allows her to generate large amount of cards, deal powerful Tenacity damage to put enemies into the Ravage state and then recover her attack card essentially allow her to deal up to and more than 20 hits to enemies every single turn, making her one of the characters with the highest damage ceiling in the game.
Even at low level or no extra copies, Sereniel can carry her own in almost any contents in the game and dominate the game’s hardest contents with ease. Therefore, if players want a good and comfortable DPS character to play around with, players should absolutely roll for Serieniel before her banner ends.
Conclusion
With that, we have gone over everything players need to know about the brand new Chaos Zero Nightmare update patch, featuring the brand new limited Character Sereniel. Absolutely avoid missing out on this amazing limited seasonal character by topping up in Chaos Zero Nightmare and enjoy amazing discounted deals with the help of Enjoygm – the cheapest and safest top up site on the web!