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The Demon's Downfall

The Eternal Assassin #3

The Demon's Downfall

An OP MC Isekai LitRPG

W.D. Swanson

8.0 / 10
1 expectations
Publication
Coming November 18, 2026

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About the Book

Book 3 in a gritty LitRPG series where the protagonist doesn't just level up, he rewrites the rules of reality. Featuring a unique multi-classing system, tactical spatial combat, slow-burn power progression, evolving skills, corrupt guilds, and deep worldbuilding.

With more than 3-million views as a hit web-serial, this definitive edition is perfect for fans of Nightmare Realm Summoner, The Grand Game, The Primal Hunter, and System Universe.

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The Eternal Assassin

The series

Full series details →
#1Rise of the Reaper #2Fall of the Guild #3 · Coming 2026The Demon's Downfall
About the author

W.D. Swanson

W.D. Swanson is an emerging voice in progression fantasy and LitRPG storytelling, building worlds where power systems feel less like decoration and more like living rules that shape every decision. Instead of treating magic or abilities as simple tools, the writing leans into what happens when those systems start…

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