Here is the revised list with all quotes formatted as H2 headings:
Made in Abyss follows the journey of Riko, a young Cave Raider, and her robotic companion, Reg as they descend into the mysterious Abyss in search of her mother.
The series explores themes of curiosity, sacrifice, and the blurred line between humanity and monstrosity in the face of relentless ambition.
This collection highlights pivotal quotes that encapsulate the emotional depth, character struggles, and philosophical undertones central to their harrowing odyssey.

Deep within it, the Abyss creeps into your mind. Eventually, it’ll get your body as well

Episode 13 (The Challengers)
Ozen the Immovable
Warns Riko about the Abyss’s psychological toll, foreshadowing its irreversible physical and mental corruption.
May your journey overflow with both curses and blessings

Movie: Dawn of the Deep Soul
Bondrewd
Delivered with chilling sincerity, this encapsulates his warped reverence for suffering as a path to enlightenment.
Please kill Mitty for me

Episode 13 (The Challengers)
Nanachi
A heart-wrenching plea symbolizing Nanachi’s love and desperation to end Mitty’s immortal suffering.
The moment you think of turning back… is the moment your heart truly breaks

Episode 10 (Poison and the Curse)
Jiruo
Highlights the irreversible commitment required to delve deeper, tying to the series’ theme of sacrifice.
I’m glad I came here… Even if it meant losing an arm or a leg

Episode 10 (Poison and the Curse)
Riko
Demonstrates her unwavering resolve, prioritizing discovery over bodily safety.
For every expedition, you’ll stand at the precipice of death and insanity

Episode 13 (The Challengers)
Ozen the Immovable
Reinforces the Abyss’s existential threats and the fragility of human ambition.
A life without longing is more terrifying than death itself

Episode 13 (The Luring)
Narrator
Summarizes the driving force behind Cave Raiders, linking desire to self-destruction.
I am Bondrewd. A White Whistle… and a scientist

Movie: Dawn of the Deep Soul
Bondrewd
Introduces his identity as a detached scholar, justifying atrocities in the name of progress.
The Curse-Repelling Vessel… It’s what brought you back to life

Episode 8 (Survival Training)
Ozen the Immovable
Reveals Riko’s origin, tying her existence to the Abyss’s enigmatic relics.
If you gaze long into the Abyss, the Abyss gazes also into you

Episode 1 (The City of the Great Pit)
Narrator (Friedrich Nietzsche reference)
Sets the tone for the series’ exploration of moral decay amid relentless exploration.
Reg… you’re my family now

Episode 4 (The Edge of the Abyss)
Riko
Marks the deepening bond between Riko and Reg, contrasting innocence against their grim reality.
Suffering is the proof you’re still human

Movie: Dawn of the Deep Soul
Bondrewd
Distorts empathy into a perverse justification for his experiments.
I want to see… the bottom of the Abyss

Episode 1 (The City of the Great Pit)
Riko
Establishes her central motivation, framing curiosity as both heroic and self-destructive.
The weak falter… but the strong prevail

Episode 7 (The Capital of the Unreturned)
Narrator
Mirrors the Abyss’s merciless hierarchy and survival-of-the-fittest ethos.
You cannot claim dreams without sacrifice

Season 2, Episode 9 (The Capital of the Unreturned)
Wazukyan
Reflects the Ganja Corps’ tragic choices, blurring lines between ambition and recklessness.
We’re not heroes… We’re just curious

Episode 3 (Departure)
Riko
Underscores the protagonists’ flawed yet relatable drive, devoid of grand heroism.
This pain… is the price of our journey

Episode 10 (Poison and the Curse)
Reg
Acknowledges their acceptance of suffering as intrinsic to their quest.
The Abyss grants wishes… in its own way

Season 2, Episode 5 (The Form the Wish Takes)
Faputa
Critiques the cost of desires fulfilled through the Abyss’s twisted logic.
Treasure is just a bonus. What I seek is the unknown

Episode 2 (Resurrection Festival)
Lyza (via note)
Foreshadows Lyza’s legacy and Riko’s inherited obsession with discovery.
Even monsters can cry

Movie: Dawn of the Deep Soul
Nanachi
Humanizes Nanachi’s struggle, contrasting their appearance with emotional depth.
To challenge the Abyss… is to challenge yourself

Episode 6 (Seeker Camp)
Habolg
Encapsulates the series’ focus on introspection amid external peril.
Your value isn’t defined by how others see you

Season 2, Episode 12 (The Golden City)
Vueko
Addresses self-worth in a world that dehumanizes the vulnerable.
The dead can’t laugh… or dream

Episode 9 (The Great Fault)
Reg
Motivates Riko to persevere, emphasizing life’s fleeting joys amid darkness.
I’ll keep moving forward… even if it kills me

Episode 12 (The True Nature of the Curse)
Riko
Epitomizes her tragic determination, rejecting complacency at any cost.
This is what it means… to be Made in Abyss

Season 2, Episode 13 (Their Journey)
Narrator
Concludes the arc by merging the characters’ fates with the Abyss’s inexorable pull.