107. Next-Generation Magical Devices 1 — Nanomachines

"Nano machines? You mean to say you're using magic to create those?" Masaki asked, echoing back.

"What's a nano machine?" Miradia asked. Aida wore a look of complete confusion.

Shiro was talking with the group they'd nicknamed themselves—the Magic Device Development Team, consisting of Aida, Miradia, and Masaki.

Aida, whose original expertise lay in magical arrays and devices, had joined specifically to debate with Shiro.

Miradia, though a princess, held a high-level alchemy license and could craft advanced potions. Upon learning that potions were a type of magical device, she'd grown curious and joined the group.

Masaki had always been interested in fantasy magic devices, and back on Earth, he'd looked up to Shiro. The three had bonded over their shared passion for magical devices, and the group had formed naturally.

Today, they'd come to observe Shiro at work creating devices.

Of course, Mitoka, Shestia, and Kotone were always by Shiro’s side.

Mizuki and Makoto were training separately in different locations. Emilia, Aria, Albert, and Steven were with that group too.

"Ah, well, in a way, you could call it science fantasy—what I call it, but with magic. Basically, they're machines, incredibly small—molecular-scale... no, wait, more like individual grains of powder," Shiro explained.

Since people in this world hadn’t yet grasped the concept of molecules, Shiro simplified his wording.

"Anyway, have you heard of spirit magic?" Shiro asked.

"Yes, I understand. It's magic that involves requesting an entity known as a spirit to activate the spell, correct?" Miradia answered. That's right, Ida.

"That's right. Here, what I'm trying to create is a nanomachine designed to eliminate viruses. So, uh..." Shiro said, continuing his explanation.

Entities that have been materialized can possess properties beyond size. So, for instance, we can embed a spell formula into a powder by writing a prototype directly into it.

Size is less than one micrometer—smaller than a red blood cell. Its purpose is to enter the body and perform search-and-destroy operations on viruses. Using a transparency parameter, it can circulate without triggering antigen-antibody reactions.

The magic we're adding works like this: locate a virus matching a specific pattern, destroy its DNA, and remove it. Move to avoid collisions, terminate and return once it's no longer detected. That kind of code.

Then, we create a spirit to control them all, and use spirit magic to command the spirits to perform the spells. Control is distributed through hierarchical layering.

"In other words, it's an externally controlled large-scale HLSL spirit magic execution system—let's call it the 'External Spirit Large-Scale Precision HLSL Module.' You could also call it a particle engine," Shiro said.

"Senior Shiro, does that mean each individual grain of powder has a spirit activating the spell?" Masaki summarized concisely.

"Hmm, I see," Miradia and Ida nodded.

"...Yeah. Well put....Ah, the limitation is probably that it only works with simple spells, right?" Shiro replied.

"Right, to be specific—this is a wristband-type management core. The master control unit. And this—this is the autonomous startup capability of the 【High-precision Spirit Magic Language Execution Environment】 and 【Divine Magic Ultra-Precise Mana Manipulation】, powered by five execution cores. Each execution core hosts 16,384 spirits. Each spirit can trigger a spell 1,024 times. So, per execution core, that’s 16,777,216 particles—about 16 million particles, capable of activating magic, even if it’s just simple processing. And with five of them maxed out—about 800 million virus-removal operations, all executed without consuming the user’s mana."

Masaki and Miradia, listening intently, exchanged looks—unclear, but clearly impressed.

"Alright, let me show you a quick demo."

Shiro said that, and the bracelet flared with light. Countless specks of light spilled out. Around them, streams of luminous dust unfurled like ribbons, creating an ethereal atmosphere.

"Beautiful," Shestia murmured.

"Whoa… this is incredible. Each of these little lights is a spell activation, right?" Masaki asked.

"Exactly. Each one is independently triggering a simple light ball," Shiro replied.

"Just putting this technique into a paper would earn you three doctorates," Ida said.

"Truly, Master. This is magnificent," Miradia sighed, eyes wide with awe as she watched.

"Only basic processing—something you could describe in HLSL—but it’s fully parallelizable. We’re living in the era of hyper-distributed computing!" Shiro said, grinning with delight.