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Realm of Carnage (Deadly) is an Advent Stage appearing on the 11th, 12th, 25th, and 26th of every month. When clearing the stage, there is a chance to unlock Express Cat.

Battleground

  • Hannya spawns as the boss after 10 seconds.
  • 15 Ginger Snaches spawn as peons, but stop spawning after around 170 seconds.
  • 1 Bore spawns after 33.3 seconds1000f.
  • 1 R. Ost spawns after 83.3 seconds2500f.
  • 1 Bore spawns after 133.3 seconds4000f.
  • 1 R. Ost spawns after 200 seconds6000f.
  • 3 Sir Seals spawn after 233.3 seconds7000f, delay 33.3~50 seconds1000~1500f.
  • Infinite Bores spawn after 283.3 seconds8500f, delay 166.7 seconds5000f.
  • Infinite R. Osts spawn after 366.7 seconds11000f, delay 166.7 seconds5000f

Strategies

Strategy 1 (No Gacha)

Lineup: The best set of Attack or Defense Combos you have (Seasons of Love+Three Kings+Lion King recommended), Dragon Cat (unless included in the Combos), Eraser Cat*, Crazed Whale Cat*, Island Cat*, Crazed Dragon Cat, Awakened Bahamut Cat.

*must be at a high level (at least 20+35 for Normal Cats, 30 for Crazed Whale Cat), True Form if possible.

Battle Items: Rich Cat (optional but helpful), Treasure Radar (only if you're sure you can beat the stage).

Start off by deploying some Crazed Whales to stall the Hannya, while also upgrading your Worker Cat to Level 3 or 4.

Bore phase: When the first Bore arrives, use Island and Crazed Whale to stall and continue slowly upgrading your Worker Cat. Killing the Bore before R. Ost arrives is crucial as dealing with them both will be extremely troublesome, so add Crazed Dragon if needed. When the Bore is defeated, continue deploying Crazed Whales and Island Cat to deal some damage to Hannya.

R.Ost phase: When he arrives, stop deploying them, instead spam Eraser and summon Awakened Bahamut, Crazed Dragon and King Dragon to damage the R. Ost, all while continuing to slowly upgrade your Worker Cat. Awakened Bahamut should easily take R. Ost down if timed well. After Bore's death, start sending only Crazed Whales and Island Cats out to damage Hannya. Repeat the above when the Bores and R. Ost arrive and you should be able to win the stage eventually.

Note: Manage your money properly and do not unnecessarily deploy troops, or it may result in your loss.

Variations:

  • Crazed Dragon and/or A. Bahamut may be replaced by 1 or 2 adequate Uber Rares, like Pai-Pai Z or Divine Kuu and/or a mid-ranged unit like Cyborg Cat; all that changes is what the bore and R. Ost killers are. Units like Cyborg Cat may work for R. Ost, Kuu is ideal for the Bore, while the likes of Pai-Pai can handle both.
  • Eraser Cat can be replaced by other meatshields, as long as they are strong; Maximum the Fighter is the best choice, but Jiangshi Cat and Crazed Wall Cat/Manic Eraser Cat also work, while 75¢ cats do not.
  • Recommended Combos could be swapped for Attack-based ones, but 90% of the time it is better to go with strength and defense, as units struggle do reach enemies to deal damage in the first place. The only part where damage is better is the Bore, so only use an Attack Up Combo if the Bore can be stalled but takes too long to die.
  • Fried Shrimp Cat/Roe Cat may be added in place of a cat on the first row if a different set of Combos is used or in place of one of the "2 attackers" (Awakened Bahamut Cat and Crazed Dragon Cat), doing so is only recommended if the enemies push so much that the defense isn't enough.
  • Lion Cat and other cats that may be here for Combos should never be used, but a fast unit like lion may still be used for quickly reaching Hannya in case of an emergency, it could be better in some cases and worse in others, but it makes little difference.
  • Less Combo cats for more variance in the army may be a viable strategy, but it is highly unrecommended unless the units one owns don't allow good enough Combos.

Strategy 2

Lineup: 3 meatshields (Crazed Macho Cat/Manic Mohawk Cat, Manic Eraser Cat and Normal Eraser Cat), Crazed Sexy Legs Cat/Manic Macho Legs, Can Can Cat, Manic Island Cat, iCat, King Dragon Cat, Cyberpunk Cat, Awakened Bahamut Cat.

Items: Sniper the Cat and Rich Cat.

When Hannya approaches, do not summon anything until Bore enters. Just stall the Bore (and Hannya itself) with the anti-Reds and Cyberpunk. Only use A. Bahamut and King Dragon against R. Ost when he arrives. Stall Hannya and R. Ost with Cyberpunk as support while Manic Macho Legs slowly deals damage to them. If lucky, should Bore and R. Ost be defeated before another joins the field, try to get two iCats close to Hannya to perma-freeze it before Hannya attacks back, allowing the other anti-Red attackers to get a hit in, but that is just a small probability.

Strategy 3 (ft. Grandon Mining Corps units)

Lineup: (Cool Japan or Punchpunchpunch! Combo) Power Driller Cat Lv. 10, Manic Eraser Cat Lv. 30, Maximum the Fighter Lv. 40, Manic Island Cat Lv. 30, Power Cutter Cat Lv. 30, Cyborg Cat (or a better option) Lv. 40+.

Items: Rich Cat recommended.

Cat Cannon: Slow Beam vs. R Ost.

Starting phase: Start by deploying Power Cutter to shave off a chunk of Hannya's health.

Bore phase: Wait until the Bore is out of Hannya's range before deploying Manic Eraser, Maximum the Fighter and M Island. Deploy Power Cutter when you have enough cats to hold back the Bore. The objective of this phase is to kill the Bore with while using as little money as possible. You should be able to kill the Bore before R. Ost appears. Use the delay to start dealing damage to Hannya. Power Cutter is excellent in chopping down Hannya's health.

R. Ost phase: This is the harder part. Start deploying M. Eraser, M. Island and Cyborg. Only use Power Driller if R. Ost is away from Hannya's range. If R. Ost starts to push too much, deploy Maximum to improve your defenses. If Bore appears before R. Ost is dead, try to save Power Cutter only until Bore is at the front so you have the possibility of killing Bore before R. Ost. If you are able to beat the R. Ost before Bore appears, then you've probably won the stage. Revert to Bore Phase and cycle through the phases until you win.

Strategy 4 (ft. Tropical Kalisa)

The main idea of this strategy is to knockback Hannya 3 times (thus kill her) before R. Ost reaches you. Lucas IV's video shows a good example, even without using any items.

Possible lineup: Skelecat, Mr. (for Research Up Combo), Luxury Bath Cat (30), Tropical Kalisa Χ or an alternative (25), Awakened Bahamut Cat (30), Manic Erazer Cat (36), Eraser Cat (20+32), Elemental Duelist Cat (40, with Attack Buff Talent lv 1), iCat (30), Roe Cat (35)

Items: Treasure Radar (optional), Rich Cat (optional, just to protect your Treasure Radar), Sniper the Cat (optional, for an easier offense against the R. Ost.)

Cat Cannon: Thunderbolt (Lv. 7+)

The key points of the execution of this strategy:

  • Lure the Ginger Snaches and the Bore close enough to your base.
  • After the Bore is taken down, as soon as Hannya does her first attack, deploy A. Bahamut.
  • Use the Cat Cannon after the first knockback of Hannya.
  • It is not done yet after Hannya is dead. You still need to concentrate and kill R. Ost.

Walkthroughs

Walkthrough Video

Player Notes
The Battle Cats - Realm of Carnage (Deadly)

The Battle Cats - Realm of Carnage (Deadly)

Nurse Wuffa Less Combos in favor of more meatshields

Trivia

  • In the Japanese Version, this is the only Advent Stage whose name does not include the level's difficulty.
  • Prior to April 2017 (February 2018 in the English Version), this stage had no known schedule.
  • The enemy base's HP is composed of two 666s, believed to be the "Number of the Beast".
  • The River Styx is a river from Greek Mythology which makes the boundary between the world of the living and the Underworld. Source and more info.

Gallery

Reference

Special Stages
Daily Stages
Normal Stages Monday Stage (Rich Cat) • Tuesday Stage (Speed Cat) • Wednesday Stage (Cat Jobs) • Thursday Stage (Sniper Cat) • Friday Stage (Helpful Cat) • Weekend Stage
Blitz Stages Monday Blitz StageTuesday Blitz StageWednesday Blitz StageThursday Blitz StageFriday Blitz Stage
Guerrilla Stages
Cat Ticket Guerrilla Love, Metal Hippoe (Hard)Super Metal Hippoe (Expert)Steel Visage (Deadly)Forged to Kill (Deadly)
XP Guerrilla XP StageXP Megablitz!XP ColosseumMerciless XP!
Catfruit Guerrilla Growing Green (IIIIII) • Growing Purple (IIIIII) • Growing Red (IIIIII) • Growing Blue (IIIIII) • Growing Yellow (IIIIII) • Growing Strange (IRedFloatingBlackAngelAlienMetalZombie) • Growing Epic (III) • Catfruit JubileeCatfruit Buffet
Material Guerrilla Cavern of Comets (IIIIII) • Island of Ash (IIIIII) • Strait of Wings (IIIIII)
Enigma Guerrilla Isle of the Map Lord (IIIIII)
Cyclone Stages
Solo Fights Expert Attack on R-CycloneAttack on B-CycloneAttack on W-CycloneOncoming Maelstrom
Insane Attack on TitaniumBlack Hole RisingOncoming StormUnholy Tempest
Deadly The Wormhole Opens
Merciless Charybdis' Mouth
Dual Fights Bad to Worse (Tragedy in Red (Insane)Doom Paradise (Insane))
Day of Judgement (Explosion in the Sky (Insane)Acts of Cat-God (Insane))
Techneurosis (Nuts 'n' Bolts (Insane)Space is the Place (Insane))
Advent Stages
Tier 1 No Plan A (Deadly)Realm of Carnage (Deadly)Honey Trap (Deadly)Parade of the Dead (Deadly)N-1 Grand Prix (Deadly)Bombergirl (Deadly)Puffer Planet (Merciless)Flow Like the Stream (Merciless)
Tier 2 The Pure Land (Merciless)Saintly Sister (Merciless)I'll Be Bug (Merciless)Dogsville (Merciless)Last of the Dead (Merciless)Baby Fake (Merciless)
Crazed Stages
Crazed Cats Dark Souls (Insane)Absolute Defence (Insane)Berserk (Insane)
Festival Gross (Insane)Head Shaker (Insane)Flappy Cat (Insane)
Fish Hell (Insane)Mammals? (Insane)Crazy Cats (Insane)
Manic Cats Deathhawk (Deadly)Vulcanizer (Deadly)Unjust War (Deadly)
Muscle Party (Deadly)Lots O' Lion (Deadly)Forest Beasts (Deadly)
Ogre Island (Deadly)Draconian (Deadly)Resident Feline (Deadly)
Clan of the Maniacs The Wild Dance (Deadly)Insane Rhythms (Merciless)
Awakening Stages
Buyable Cats Actress AwakensKung Fu AwakensMr. AwakensBondage AwakensThe Dom Awakens
Box Cats AwakenPanties AwakensNinja AwakensZombie AwakensSamurai Awakens
Sumo AwakensBoogie AwakensSkirt Awakens
Monthly Cats Adult Cat AwakesEvil Cat AwakesDoll Cats AwakeMaiden Awakes
Koi AwakensBride AwakensVacation AwakesVengeance Awakes
Kung-Fu X AwakensSports Day AwakensSalaryman AwakesReindeer Fish Awakens
Li'l Cats Tiny Meows (Deadly)Tiny Will (Deadly)Tiny Chopper (Deadly)
Tiny Creeper (Deadly)Tiny Horns (Deadly)Tiny Wings (Deadly)
Tiny Fins (Deadly)Tiny Tail (Deadly)Tiny Fists (Deadly)
Cyclone Cats Crimson VengeanceNEO Darkness HeavenPeerless Too
Wrath of the DivineBitter IronyDimension of Delirium
Red Sky At NightThe Dead Keep RollingThe 3rd Dimension
Advent Cats Clionel DominantRiver AcheronQueen's Condemnation
Dead by EncoreKing Wahwah's ReturnA Deeper Dream
Other Cats Tricycle AwakensCat Kart AwakensFlower AwakensNekondo AwakensCatburger Awakens
Monthly Event All-Stars Stages
Special Thanks! (Insane)Ultra Stress! (Insane)Miracle Tactics! (Insane)Wonderful Conquest (Insane)Elite Corps (Insane)Megaton Blast (Insane)Presents of Mind (Insane)
Memorial Stages
Year's First Dawn • Happy Birthday (IIIIII) • Grats! 3 Years!!Joy of 20 Million!Joy of 30 Million!Joy of 40 Million!CAT DAYYear of the RatJoy of 50 Million!Golden Week Special!!
Region Restriction
Punchy PrizefighterSecret DelicacyFaster Than Fast FoodWe're Number OneCola Flavor Cat
Unknown Schedule
Dark Descent I: Eastern Cave • II: Western Walk • III: Southern Fort • ∞: Northern Crater
Seeing Red I: Sands of the East • II: Wastes of the West • III: Peaks of the South • ∞: Ruins of the North
Duel Stages Duel on the Prairie (VanguardEliteCommander) • Duel at Sunset (VanguardEliteCommander) • Duel Under the Stars (VanguardEliteCommander) • Duel on the Dunes (VanguardEliteCommander) • Duel at the Lava Fields (VanguardEliteCommander)
Tag Arena Rookie (QuarterfinalsSemifinalsFinals) • Beginner (QuarterfinalsSemifinalsFinals) • Adept (QuarterfinalsSemifinalsFinals) • Pro (QuarterfinalsSemifinalsFinals)
Total Wars Spring Special (BasicStandardAdvancedExaltedSupreme) • Summer Special (BasicStandardAdvancedExaltedSupreme) • Fall Special (BasicStandardAdvancedExaltedSupreme) • Winter Special (BasicStandardAdvancedExaltedSupreme)
Deadly Carnival Tornado Carnival (Deadly)Awakened Carnival (Deadly)
Deadly Carnival II Tornado Carnival II (Deadly)Awakened Carnival II (Deadly)
Deadly Carnival III Tornado Carnival III (Deadly)Awakened Carnival III (Deadly)
Heavenly Tower Floor 1Floor 2Floor 3Floor 4Floor 5Floor 6Floor 7Floor 8Floor 9Floor 10

Floor 11Floor 12Floor 13Floor 14Floor 15Floor 16Floor 17Floor 18Floor 19Floor 20
Floor 21Floor 22Floor 23Floor 24Floor 25Floor 26Floor 27Floor 28Floor 29Floor 30
Floor 31Floor 32Floor 33Floor 34Floor 35Floor 36Floor 37Floor 38Floor 39Floor 40
Floor 41Floor 42Floor 43Floor 44Floor 45Floor 46Floor 47Floor 48Floor 49Floor 50

Legend Quest LEVEL 1 - LAST LEVEL (randomized SoL stages & lineups)
Baron Seal Strikes Baron Seal Strikes!: Red Alerts 1~20 • Baron Seal Strikes!!: Red Alerts 21~40 • Baron Seal Strikes!!!: Red Alerts 41~60
Le'Grim Strikes Le'Grim Strikes!: Rampage Lv1~20 • Le'Grim Strikes!!: Rampage Lv21~40 • Le'Grim Strikes!!!: Rampage Lv41~60
Mega Menace Mega Menace!: On Mighty Wings Lv.1~20 • Mega Menace!!: On Mighty Wings Lv.21~40 • Mega Menace!!!: On Mighty Wings Lv.41~60
Horrorpotamus Horrorpotamus!: Cosmic Juggernaut Lv.1~20 • Horrorpotamus!!: Cosmic Juggernaut Lv.21~40 • Horrorpotamus!!!: Cosmic Juggernaut Lv.41~60
Other Special Stages
The Battle Cats POP! Poppin' in 3D!Fight your Friends!Player VS PlayerPay Only Once!No I-A-P!Get Those UbersConquer the GalaxyAt Nintendo eShop!
Mystery Package Sender Unknown
BitSummitBCJP Only Held in Miyako Messe! (2016)Held in Miyako Messe! (2017)Held in Miyako Messe! (2018)One more thing... (2018)Held in Miyako Messe! (2019)One more thing... (2019)
Crazed Moneko in JAPANin LONDONin NEW YORKin THE MOON
The Battle Cats Together! Play Battle Cats Together!Team Up & Win!Over 350 Cats!Play All you Want!Legend Stages Too!Minigames Galore!At the Nintendo eShop!But the App's Fun Too :)
Most Defeated 2019 Surprising #5Not Uncommon #4As Expected #3Runner-Up #2Unbelievable #1Unseen in 2019
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