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CATS OF THE COSMOS โ€บ COSMOS CH.3 โ€” EVEN STARS BURN OUT โ€บ 3-IN FILIBUSTER INVASION STAGE 145 / 145
BATTLE ARC

3-IN FILIBUSTER INVASION

!No Cont
Filibuster Obstructa
BOSS
FILIBUSTER OBSTRUCTA
โฑ SPAWN ORDER
T+1.67s Filibuster Obstructa
T+3.33s Kid Tappa
T+6.67s Shadow Boxer K
T+10s Bore
T+80s Bun Bun Symbiote
โš‘ Base 50%
General GreGory
๐Ÿ‘นENEMY ROSTER ยท 6
Filibuster Obstructa BOSS
AlienFloatingStarred Alien

Ch.3 bonus boss with 2M HP, 1M-damage Long Distance (300~4300) attack, and 5 immunities (Waves/KB/Freeze/Slow/Weaken). 40-second foreswing is his weakness โ€” interrupt with rapid 10k+ hits across his 200 knockbacks. Beating his stage unlocks Filibuster Cat X.

Bun Bun Symbiote BOSS
AlienFloating

Teacher Bun Bun's Alien/Floating variant โ€” 750,000 HP, 8,888 AP area attack at 200 range, 100% Wave Attack. Boss of Deneb Ch.2 and appears in the Filibuster bonus stage. Wave-Immune meatshields + Anti-Alien/Anti-Floating Ubers (Holy Valkyrie, Wonder Mommy).

Bore BOSS
Red

High HP, slow attack โ€” stall and chip with anti-Red.

Shadow Boxer K BOSS
Black

Fast and tanky for a peon โ€” knocks back meatshields.

Kid Tappa
AlienStarred Alien

Dolphina variant โ€” 40,000 HP and 15,000 Barrier, but only 50 damage. Speed 50 makes him a fast meat wall. Once the Barrier breaks his low DPS makes him a useful stepping stone for Crimson Mina / Polevaulter Cat / Jellycat.

General GreGory BOSS
AlienStarred Alien

Beefy Gory variant with Area Attack and a 6,000-damage Barrier. Once the Barrier breaks he's vulnerable to crowd control (Seafarer Cat, Surge units).

๐Ÿ’กSTRATEGY

Ch.3 bonus stage that overrides a random Ch.3 stage upon clearing the chapter. Filibuster Obstructa (2M HP, 1M damage, Long Distance 300~4300) WILL one-shot the Cat Base from any position โ€” your only hope is interrupting his 40-second foreswing with rapid 10k+ hits across his 200 knockbacks. Cat Cannon and Wave Attacks are blocked, so timing is everything. Win unlocks Filibuster Cat X.

๐Ÿ’ฌCOMMUNITY NOTES

The most-quoted 'bait' stage in the entire game. Filibuster Obstructa one-shots your Cat Base from any range (Long Distance 300~4300). No-continues restriction means you get one shot per attempt. Community consensus: this isn't a stage you clear โ€” it's a stage you outpace. Rapid 10k+ hits during his 40-second foreswing window are the only path; Cat Cannon and Wave Attacks are both blocked. Required lineup always includes Manic Lion / Manic Eraser for fast meatshield spam, multiple Bahamut variants (Crazed + Awakened + base Bahamut Cat) for stacked burst chip, and the entire Uber roster for backline DPS โ€” Ganglion, Bombercat, Twinstars, whatever you have. Common failure: assuming his one-shot is preventable. It isn't. You're racing his foreswing. Win unlocks Filibuster Cat X, which many players consider the best 'reward' Special Cat in the game.