Series Guide
Portal to Nova Roma
Every book in J.R. Mathews's Portal to Nova Roma series, in order, with the verdict on the site's most divided isekai pick: a B-low with serious political weight that genuinely splits its audience.
Start here
Book 1, Portal to Nova Roma, is the entry point. The transmigration setup and the Roman-historical-fantasy worldbuilding establish themselves within the first hour. The series's identity (historical-political emphasis over LitRPG system mechanics) is visible from the opening; if it doesn't click early, the series doesn't shift register later.
Verdict on the series
B-low — Worth Starting (for the right reader).
B-low: the site's most divided verdict to date. The series is genuinely strong on what it commits to: the Roman-historical worldbuilding, the faction-political layer, the legionnaire culture and the political weight the series gives to its decisions. It is genuinely a poor fit for readers who want LitRPG with the system mechanics front-and-center. Both responses are correct for their respective readers; which is which depends on what you brought to the book.
What it does best. Historical-fantasy worldbuilding paced for a Western audience. Faction politics that have actual weight across books. The willingness to spend pages on Roman military procedure and political maneuver. Christian J. Gilliland's narration in the historical-fantasy register.
Where it sags. The LitRPG/system-mechanics layer is real but minimal — readers who came for crunch will be disappointed. Some readers find the historical-political emphasis overwhelms the genre satisfaction they expected. The protagonist's choices land differently depending on how you feel about the historical politics.
Who it suits. Readers who specifically want Roman-historical fantasy with isekai framing. Anyone who valued the political layer in Last Life: Bastard and wants more political-weight LitRPG. Who should skip. Readers who want LitRPG system mechanics as the primary engine — try Defiance of the Fall instead. Readers who don't have a specific interest in historical politics — try Reincarnation of the Death God for faster-paced isekai.
Books in order
| # | Title | Published | Runtime |
|---|---|---|---|
| 1 | Portal to Nova Roma | August 31, 2022 | 22h 3m |
| 2 | Portal to Nova Roma: Venice | October 19, 2022 | 20h 1m |
| 3 | Portal to Nova Roma: The Rhine | February 21, 2023 | 25h 24m |
| 4 | Portal to Nova Roma: Paris (Kindle ahead of audio) | July 3, 2025 | — |
| 5 | Portal to Nova Roma: Empire (Kindle ahead of audio; series finale) | August 28, 2026 | — |
Book data above is pulled from my full review — updated automatically as new entries publish.
Who's who (spoiler-safe)
One name is most of what you need, which suits a series this premise-driven.
- Alexander — a rogue artificial intelligence grieving in a human body, who opens a portal and walks into a world of Roman legions and magic. The culture-clash between machine logic and Nova Roma is the series. (Book 1.)
Is the series complete?
Not yet. J.R. Mathews has not announced a target book count. Cadence is roughly twelve months between entries. The political and historical arcs both have visible runway; standard ongoing-series risk applies.
Where to go next
If you finished what's out and want a similar register:
- Last Life: Bastard (Alexey Osadchuk) — for the closest peer in political-weight LitRPG, a Russian-tradition reincarnation isekai rather than a Roman-historical one.
- Terminate the Other World! (Icalos) — the completed-arc isekai alternative if you want a known ending.
- Reincarnation of the Death God — for the lighter, faster isekai if Nova Roma's political emphasis is more than you wanted.