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On the lower floor was the famous conference room, designed to accommodate all delegates in future meetings. It consisted of three half-levels arranged in tiers, offering a bird's-eye view of the center of the room. Each level had twelve large tables arranged in an arc. Each was accompanied by three comfortable leather armchairs and computer screens inlaid in the polished mahogany table. It was a luxury setting: thirty-six people could be seated per level.

The tables in the first circle, located at the lowest level, were close together, with an empty space between them to ensure the necessary confidentiality for each delegation's voice exchanges. This first level surrounded a circular space about ten meters in diameter. The floor was covered with a hard but translucent surface, revealing an explosive atmosphere for such a place.

On the two upper levels, the tables were evenly distributed around concentric circles. Their staggered arrangement ensured perfect visibility of the entire room and participants. Stairs served each table without the need to cross or disturb other delegations. Everything had been designed to ensure that each delegation of three people felt both comfortable and safe, while sharing the same space for discussion.

The general architecture of the room was reminiscent of an ultramodern circular amphitheater, allowing a panoramic and bird's eye view of the whole. Twelve doors gave access to this vast space. As for the ceiling, it created the illusion of an opening onto the outside world: a slightly domed dome projected a representation of the sky as one could admire it from the top of the Eiffel Tower. Depending on the time of day or night, one could see a blue summer sky, clouds, birds in flight, the white trails of airliners, or, at nightfall, the stars of the Milky Way slowly evolving with the rhythm of the night hours.

But what was most striking about this spectacular place, dedicated to study, verbal jousting, and sometimes other uses, was undoubtedly the central esplanade surrounded by the first circle of tables. For a long time, there was some hesitation over what to call it. Finally, the "Hollo-Arena" was chosen, following an internal competition launched by RoshNa, once the concept had become operational. It was a stage whose floor was paved with digital tiles capable of projecting three-dimensional videos, echoing the moving sky of the dome.

The Hollo-Aréna allowed visitors to walk across these moving stages and explore a variety of virtual environments: a white sand beach, lazily drifting clouds, a body of water, a meadow lined with trees and mountains, or an ocean teeming with colorful fish. The atmospheres seemed endless, derived from real videos, digital creations, and artificial intelligence programs.

Yet this wasn't the only attraction of this unique place, quickly acclaimed by all the Bunker Palace agents when they took a moment of respite. The real highlight of the show lay in the interactive floor: it reacted to the passage of visitors. In an underwater setting, fish fled as they approached; on the sand, their footsteps left footprints; on the water, small ripples quivered with each foot contact, and a jump even caused splashes, sometimes accompanied by sound effects that echoed throughout the vast room.

RoshNa often came here to recharge her batteries, sitting on the floor of the Hollo-Arena. She let her mind wander while reflecting on the safety of this unique place, designed to accommodate future Delegations.

The client had demanded that this conference room be both functional and extravagant. He had given RoshNa carte blanche to create an extraordinary meeting space. Uncomfortable in this area, she had launched an internal consultation. A technician from the command room, familiar with the latest technological innovations, showed her videos illustrating this concept. She immediately asked him for a quote, which she hesitated to share because it seemed so excessive. However, less than half an hour later, a line of credit was released. RoshNa was stunned, as her interlocutor seemed so willing to spend without counting. He justified himself with a simple message:

—We'll only have one chance to make the best impression. Nothing will be too good. Our reputation as hosts depends on it.

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