3-48 THE BIG BANG
3-48 The Big Bang is the 48th stage of Cosmos Ch.3 — Even Stars Burn Out. Previous stage: 3-47 Black Hole. Next stage: 3-IN Filibuster Invasion.
CotC Ch.3 final boss. Final Boss Giga-God (Traitless, 1M HP, 800 range, Multi-Hit ending in 66k strike). 100% Wave (Lv.12) + 100% Warp back 1500 range on first hit. Awakened Bahamut and Maglev Cat exploit the warp resetting their backswing.
Traitless boss of The Big Bang in Cats of the Cosmos Chapter 3. He has less health than the two Cat Gods before him, five knockbacks and huge range. He opens with two weak attacks, and the first carries a 1,500-range Warp and a level 12 Wave. The final strike that follows carries most of his damage.
15k 
6k Kid Tappa and General GreGory carry Barriers (up to 15,000 HP) — your hits are absorbed until it's broken.
SUPERCAR CAT B Guaranteed 100% Barrier Breaker. Also fits “Burst the boss down.” 
SPACE CAT A 50% Barrier Breaker. 
FENCER CAT A Guaranteed 100% Barrier Breaker at long range — the reliable accessible breaker. 
BORA S 100% Barrier Breaker reliably cracks Star Alien Barriers. 
LUMINA S 100% Barrier Breaker opens Star Alien Barriers for the team. 
LI'L GROSS CAT B 30% Barrier Breaker. Final Boss Giga-God is Traitless. Anti-Traitless units take less damage and deal more.
HITMAN CAT A Hitman Cat: Deals massive damage to Traitless enemies Also fits “Clear the crowd.” 
BOWLER CAT A The Slow lands on Traitless enemies — great for stalling the many Traitless bosses across Empire of Cats and Into the Future. 
BRAINWASHED AXE CAT A Strong against Traitless and Curses Traitless enemies. 
D'ARKTANYAN S Strong Against Traitless on a Long-Distance area attack — answers the many Traitless bosses. Also fits “Clear the crowd.” 
JAGANDO JR. A Lord of Ruin Jagando Jr.: Strong against Traitless enemies (Deals 1.5x damage, only takes 1/2 damage) Also fits “Clear the crowd.” Final Boss Giga-God reaches 800 range. Units that out-range it can chip safely without taking hits.
Final Boss Giga-God has a deep HP pool (999,999+ even before stage magnification). Heavy single-target burst shortens the fight.
SUPERCAR CAT B 51,000 damage per hit at Lv.30. Also fits “Break the Barrier.” 
IZ THE DANCER S Big Multi-Hit Massive-Damage bursts. Also fits “Clear the crowd.” 
GAIA THE CREATOR S Long-Distance multi-hit with Insane Damage — a generalist wall-cracker. 
BAHAMUT CAT S Huge multi-hit burst — a story-unlock powerhouse that deletes tanky enemies. 
KALISA S Big Massive-Damage Area hits. Also fits “Clear the crowd.” 6 enemy types stack up here. Area attackers hit the whole push at once instead of one unit at a time.
HITMAN CAT A Area attacks hit everything in range. Also fits “Counter Traitless.” 
SALON CAT S Hits whole crowds, and is Weaken-immune so it keeps firing through Weaken stages. 
NERD CAT A Evolved/True hit groups over a Long Distance band. Also fits “Out-range Final Boss Giga-God.” 
LASVOSS S Long-range Area damage clears groups. Also fits “Burst the boss down.” JAGANDO JR. A Area attacks hit everything in range. Also fits “Counter Traitless.” The endgame trial. Final Boss Giga-God has only 1M HP (less than Ch.2's Cat God!) but his Lvl 12 wave attack warps everything on the first hit and nukes on the third. The community fix: bring an Awakened Bahamut with the Explosion talent — his ~200k-damage knockbacks chain Giga-God's knockback animation, essentially locking the boss until a peon walks into Bahamut's range and breaks the loop. Required gear: Bahamut at level 30+ with Explosion talent, all Mystery Masks (43/45/47 superior), at least one anti-Floating Uber. The real killers here are Mesocosmocyclones — they push hard, stack with your Bahamut's range, and ruin your timing if you let them accumulate. Recommended lineup: Crazed Bahamut + A. Bahamut + Manic Lion meatshields + Ganglion/Twinstars for chip + a Doctor Cat to slow the wave. Considered the stage that unlocks 'real' Cosmos endgame; r/battlecats: 'if you cleared this you can stop playing the story and just go grind XP cans.'
The castle you destroy to clear the stage.