Lil Blub

Lil Blub is a boss added in The Binding of Isaac: Repentance that can appear in Downpour and Dross.

Behavior[]

Lil Blub diagonally floats around the room and performs the following attacks:

Spits up 2-3 Small Leeches that swarm around him, blocking shots.
Spits out a single larger Small Leech that chases Isaac instead.
Fires 6 streams of projectiles outwards in a radial burst. These projectiles deal a full heart of damage.
Jumps once towards Isaac, creating a burst of disorganized arcing projectiles upon landing.
- Lil Blub can only use this attack when below a certain threshold of HP.

The previous two attacks also cause any Small Leeches that are swarming around Lil Blub to start chasing Isaac. Lil Blub cannot use any of these attacks if there are 6 or more Small Leeches in the room.

Jumps towards Isaac 3-5 times, firing projectiles in the cardinal and diagonal directions upon landing. The cardinal shots are faster and travel further than the diagonal ones.
- Any leeches Lil Blub lands on are instantly killed.
- Lil Blub can only use this attack when below 25% HP, and greatly prefers using it if he can.

Upon death, he spawns 2-4 Small Leeches and bursts into a fountain of projectiles that rain down for a few seconds in a wide area.

Gallery[]

Lil Blub in-game.
Lil Blub's splash art when encountered in Dross.
Lil Blub's appearance in Dross.

Trivia[]

Lil Blub's original name in Antibirth was "Beelzeblub", and he is referenced as such in the game files.
- In pre-release content for Repentance, his name was Lil Bub, without the "L". The reason for these changes to his name are unknown.
Lil Blub appears to be a drowned version of The Duke of Flies.
- It is possible that Min-Min is his posthumous version- as Min-Min wears a shell that resembles The Husk, the posthumous version of the Duke of Flies.
When encountered in the Dross, the color palette of Lil Blub and his attacks is altered to fit the floor. Wormwood also features this.

Bosses
Chapter 1	Gemini • Steven • Blighted Ovum • Dingle • The Duke of Flies • Famine • Gurglings • The Haunt • Larry Jr. • Monstro • Pin • Widow • The Fallen • The Headless Horseman Dangle • Little Horn • Rag Man • Turdlings Baby Plum
Chapter 1.5	Lil Blub • Wormwood • The Rainmaker • Min-Min • Clog • Colostomia • Turdlet
Chapter 2	Fistula • Chub • C.H.A.D. • Carrion Queen • Dark One • Gurdy • Gurdy Jr. • The Hollow • The Husk • Mega Fatty • Mega Maw • Peep • Pestilence • Polycephalus • The Wretched • The Fallen • The Headless Horseman The Forsaken • The Frail • The Stain Big Horn • Rag Mega Bumbino
Chapter 2.5	Reap Creep • Tuff Twins • Hornfel • Great Gideon • Singe • The Shell • The Pile
Chapter 3	The Adversary • The Bloat • The Cage • The Gate • Monstro II • Gish • Loki • Mask of Infamy • War • The Fallen • The Headless Horseman • Mom Brownie Sisters Vis Reap Creep • The Pile
Chapter 3.5	The Siren • The Heretic • The Visage • The Horny Boys • Mom • Mom's Heart
Chapter 4	Blastocyst • The Bloat • Conquest • Daddy Long Legs • Triachnid • Death • Lokii • Mama Gurdy • Mr. Fred • Scolex • Teratoma • The Fallen • The Headless Horseman • Mom's Heart • It Lives Sisters Vis • The Matriarch
???	Hush
Corpse	Chimera • The Scourge • Rotgut • Mother
Chapter 5	Satan • Isaac
Chapter 6	??? • The Lamb • Mega Satan
The Void	Delirium
Home	Dogma • The Beast • Ultra Death • Ultra Famine • Ultra Pestilence • Ultra War
Greed Mode	Ultra Greed Ultra Greedier

The Binding of Isaac: Rebirth
Achievements	Attributes	Bosses	Cards and Runes	Challenges	Chapters
Characters	Co-op	Items	Item pools	Monsters	Objects
Pickups	Pills	Rooms	Seeds	Transformations	Trinkets

Lil Blub

Behavior[]

Gallery[]

Trivia[]

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