Main Quest: The Hollow Zero Breach

Lore & Background

In the fractured reality of Zenless Zone Zero, the Hollows are not merely pockets of distorted space but living, breathing entities that constantly test the resolve of humanity. The concept of a 'Zero Breach' implies a point where the Ether density becomes so concentrated and volatile that the fundamental laws of physics holding New Eridu together begin to unravel. This is not a simple monster attack; it is a geological and metaphysical earthquake that threatens to merge the safety of the city with the chaotic void below. The lore surrounding this event hints at ancient secrets buried within the deepest strata of the Hollows, suggesting that the Ether itself may be reacting to something waking up or escaping from an age long forgotten. As the breach widens, the Ether storms become unpredictable, spawning Ethersapients and twisted distortions that possess intelligence far beyond standard monsters. This phenomenon forces the city's inhabitants to question whether their current methods of Hollow exploration are merely delaying the inevitable or if they have inadvertently triggered this catastrophic chain reaction.

In Their Own Story

The air in Sector 7 tasted like burnt copper and old rain. As the Proxies stepped out of the elevator, the usual hum of the city was replaced by a low, vibrating thrum that rattled their teeth. Above them, the sky wasn't grey; it was a swirling vortex of violet and black, tearing open like wet paper to reveal the churning abyss of the Hollow Zero. 'Hold your ground,' the leader whispered, gripping their weapon as the ground beneath them liquefied into shifting shadows. The barrier had failed. There was no retreat left.

Reader's Guide

The episode begins with a sudden surge in Ether readings across New Eridu, signaling that the containment fields around the deepest Hollow layers are failing. Proxies are deployed to investigate the initial fractures, only to discover that standard combat tactics are insufficient against the new, adaptive anomalies emerging from the breach. As the narrative progresses, players must navigate a collapsing environment where the physics of the city shift unpredictably. The story highlights the desperate efforts of the City Guard and various Proxy agencies to establish a temporary perimeter while uncovering clues about what caused the breach. It becomes clear that this is not a random event but potentially a targeted assault or an awakening. The climax involves a direct confrontation with the source of the instability, forcing the protagonists to make difficult choices that will determine the fate of the city's defenses. This arc advances the overarching mystery by revealing that the Hollows are interconnected in ways previously unknown, suggesting that New Eridu is sitting on a powder keg that has been waiting to explode.

Did You Know?

• The term 'Hollow Zero' implies a foundational layer of the Ether dimension that predates current human understanding of the Hollows.
• During this breach event, standard communication channels within New Eridu often fail due to extreme Ether interference.
• The anomalies spawned during this arc exhibit behaviors suggesting they are reacting specifically to the presence of Proxies rather than just random aggression.
• This storyline serves as a major turning point that redefines the relationship between the City Guard and independent Proxy agencies.