Advent Stages

The Advent Stages are a group of time-limited stages that appear twice a month for two days each. All Advent Stages have a difficulty of at least 9★, a unique boss and a No Continues restriction.

Once encountered, the boss will be recorded in the Enemy Guide. If the stage is completed, there is a chance to unlock a new, unique Rare or Super Rare (30-40% success rate), as well as at least 3,800 XP, 30 Cat Food and 1 Leadership for the first victory. After beating an Advent Stage, an Awakening Stage for the cat unlocked in said stage will start to appear on the same dates. Beating these Awakening Stages can unlock new Advent Stages, unofficially dubbed Tier 2 Advent Stages, with variants of bosses found in the originals.

Unlike the Cyclone Stages' drops, there is no unifying theme to the units obtained from these stages, but many of them are anti-Relic or anti-Traitless, which are exceedingly rare amongst non-gacha cats.

List of Advent Stages

Tier 1
Name	Boss	Cat	Appearance Dates	Prerequisite
Clionel Ascendant (Clionel Dominant)	Cruel Angel Clionel	Catway	7/8/21/22	Clear Into the Future Chapter 1
River Styx (River Acheron)	Hannya	Express Cat	11/12/25/26	Clear Into the Future Chapter 1
Queen's Coronation (Queen's Condemnation)	Queen B	Little Leaguer Cat	1/2/15/16	Clear Into the Future Chapter 1
Dead on Debut (Dead by Encore)	Daboo of the Dead	Curling Cat	3/4/17/18	Clear Into the Future Chapter 1
King Wahwah's Revenge (King Wahwah's Return)	King Wahwah	Glass Cat	5/6/19/20	Clear Into the Future Chapter 1
Deeply Dreaming (A Deeper Dream)	Bakoo	Lone Cat and Kitten	9/10/23/24	Clear Into the Future Chapter 1
Blue Impact	Puffsley's Comet	Mightycat	13/14/27/28	Clear Cats of the Cosmos Chapter 2
Bottom of the Swamp (Top of the Bog)	Kappy Jr.	Teacher BearCat	13/14/27/28	Clear Into the Future Chapter 2
Prelude to Ruin	Evil Emperor Cat	Stone Cat	11/12/25/26	Clear A New Legend
Temptation’s Symphony	Possessed Empress	Pied Piper Cat	9/10/23/24	Clear Unleashing the Cats
Rashomon	Sathankhamun VIII	Calligraphy Cat	11/12/25/26	Clear Mount Aku/Mount Fuji

Tier 2
Name	Boss	Cat	Appearance Dates	Prerequisite
Courts of Torment (Courts of Agony)	Black Okame	Medusa Cat	11/12/25/26	River Acheron
Papuu's Paradise	Heavenly Herald Papuu	Cossack Cat	3/4/17/18	Dead by Encore
The Old Queen	Queen Mother V	Slime Cat	1/2/15/16	Queen's Condemnation
Wanwan's Glory	Everlord Wanwan	Rugby Cat	5/6/19/20	King Wahwah's Return
Z-Onel Rises!	Death Angel Z-Onel	Phantom Cat	7/8/21/22	Clionel Dominant
First Errand	Doremi	Bakery Cat	9/10/23/24	A Deeper Dream

Dual Advent Stages

This type of stage has no official name.

Dual Advent Stages are a group of maps with unknown schedules and unlock requirements. They consist of two consecutive Advent Stages: one normal, one continuation. Each Continuation Stage drops 3 Legend Catseyes as a one-time mission reward.

Name	Stage 1	Stage 2 (Continuation)	Appearance Dates
The Angel & The Demon	No Plan A	Realm of Carnage	?
The Queen & The Dead	Honey Trap	Parade of the Dead	?
The King & The Maiden	N-1 Grand Prix	Bombergirl	?
The Dead & The Bloated	Parade of the Dead	Puffer Planet	?
The Queen & The Maiden	Honey Trap	Bombergirl	?
The King & The Angel	N-1 Grand Prix	No Plan A	?

Trivia

Prior to February 2018, the first five Advent Stages had no known schedule.
- Deeply Dreaming had no known schedule until January 2019.
- Blue Impact, Courts of Torment, Papuu's Paradise and The Old Queen had no known recurring schedule until January 15th, 2020.
Blue Impact is currently the only Merciless Advent Stage to award a gold Meow Medal.
Z-Onel Rises! is currently the only Advent Stage in which the main enemy spawns multiple times and the only one where said enemy isn't a boss, as the boss shockwave is actually caused by a 10% Zoge.

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