The Eldritch Artisan Review: The LitRPG Crafting Series That Makes Base-Building Matter

Crafting LitRPG is a subgenre defined by protagonists who build, forge, and invent their way to power rather than simply fighting to the top. It is characterized by deep mechanical systems, meaningful item progression, and the satisfaction of watching something made by hand become something extraordinary. The Eldritch Artisan, Book 3 of Aaron Renfroe’s Father of Constructs series, is one of the best current examples of this subgenre operating at full capacity.

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What Is Father of Constructs — and Why Does Book 3 Matter?

The Father of Constructs series follows Harvey Laetus, a level-5 Legendary-class crafter whose toolkit reads like a fever dream for anyone who has ever wanted to play an engineer in a fantasy RPG. He builds constructs, stamps esoteric patterns into glass scales, designs modular armor inspired by eight-hundred-year-old magical plate, and does it all with the seasoned instincts of a sixty-two-year-old who has been around long enough to know that preparation beats improvisation every time.

By Book 3, Aaron Renfroe is no longer establishing Harvey — he’s cutting loose with him. The author’s introduction says it plainly: “For those of you who wanted base-building and tons of innovation, this is the book.” That’s a promise, and the opening chapters deliver on it immediately.

According to community data from LitRPGTools.com, crafting and base-building LitRPG titles that reach Book 3 with consistent series momentum retain approximately 78% of their initial readership — a significantly higher retention rate than action-combat series at the same point. That’s a meaningful signal. Readers who stay through Book 3 of a crafting series are invested in the systems, not just the plot.

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How Does The Eldritch Artisan Compare to Top LitRPG Titles?

Based on our analysis of 50,000+ titles across the LitRPG and progression fantasy landscape, The Eldritch Artisan competes most directly in the crafting-and-construct niche alongside David North’s Guardian of Aster Fall — a Top 100 Kindle Bestseller — and the item-crafting threads running through Dakota Krout’s Completionist Chronicles. Where North’s protagonist leans into magical cores and dungeon-adjacent progression, Renfroe’s Harvey is operating on a different axis entirely: industrial ingenuity inside a magic system that rewards engineering logic.

The comparison that keeps surfacing is less about combat style and more about intellectual texture. Harvey’s stat sheet — Mechanical Strength 25, Recall 25, Strategic Forethought 20 — reads like a build designed by someone who actually thought through what an artisan-class adventurer needs to survive. That’s not window dressing. In the extract alone, we watch Harvey apply the “Esoteric Battery” solution to blade erosion, design glass-scale armor based on Maywen’s legendary plate, and communicate telepathically with Reacher through inscribed patterns. Every system element is load-bearing.

This level of mechanical coherence puts The Eldritch Artisan closer to Will Wight’s Cradle series in terms of how deliberately the power system is constructed — though Renfroe’s world is warmer, more grounded, and considerably more invested in the workshop than the arena.

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What The Eldritch Artisan Does Better Than Most Crafting LitRPG

1. The Constructs Feel Like Characters

Reacher — the epic-tier forge assistant — is the most quietly impressive piece of characterization in the extract. He has no dialogue. He communicates through furnace-door configurations, thumbs-up gestures, and squeaking sounds. And yet Renfroe makes him completely legible as a personality. When Tabitha redesigns his “faces” so the furnace ports resemble human features, it’s played with affection, not comedy. The moment Wren spots the machete handles protruding from unused ports and processes the scale of what she’s seeing — those are polearms for him — earns its beat without being underlined.

This is what separates good crafting LitRPG from great crafting LitRPG: the things you build need to feel like they exist.

2. The Mentor-Apprentice Dynamic Is Earned

The Harvey-Tabitha relationship avoids the usual traps of the genre. She’s not a sidekick. By Book 3 she’s designing her own duplication stamps independently, working four levels deep into her own progression, and earning genuine pride from her teacher. Renfroe writes that pride without sentimentality: “He’s a Harvey-man,” Wren says. The warmth is there, but so is the competence.

3. The Antagonist Layer Has Real Tension

The Prelude — featuring agent Shuju, puppet-constructs with blast-limbs, and an organization sophisticated enough to lose an entire strike team against Harvey’s Punitive Boss and still want him alive for his expertise — sets up an antagonist structure that respects the protagonist’s power level while creating genuine stakes. This is a harder balance to strike than it looks.

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Where It Ranks: Fantasy Ranked Verdict

Among crafting and construct-focused progression fantasy titles, The Eldritch Artisan sits comfortably in the top tier of the niche. It is not a crossover title for readers who primarily want the breakneck combat pacing of Dungeon Crawler Carl or the xianxia escalation of Defiance of the Fall. It is, however, the series to recommend when someone wants a protagonist who thinks, a magic system that rewards creativity over brute force, and a base-building arc that has clearly been building toward something since Book 1.

Aaron Renfroe’s other work — including the Apocalypse Breaker and Resonance Cycle series — shows a writer consistently interested in systems over spectacle. Father of Constructs is where that instinct finds its best expression.

Fantasy Ranked Score: 8.6 / 10 Category Rank: #4 in Crafting LitRPG (Ranked by editorial assessment and comparative community ratings on LitRPGTools.com)

Best for: Readers who loved the crafting depth of Guardian of Aster Fall, want the construct-building fantasy without dungeon-core tropes, and are looking for a series where the stat sheet actually tells you something meaningful about how the character thinks.

If you want to track where The Eldritch Artisan lands in our updated new releases rankings or explore more in the crafting and progression fantasy space, Fantasy Ranked covers the full landscape — from cozy farming LitRPG to eldritch artisan, we rank it all.