Ryan O'Sullivan has written at least 3 books. Their most popular book is Void Trip #1 with 2 saves with an average rating of 3.5⭐.
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1 primary bookDark Souls: Age of Fire is a 0-book series first released in 2018 with contributions by Ryan O'Sullivan.
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4 primary books5 released booksDark Souls comics is a 5-book series with 4 primary works first released in 2014 with contributions by Rob Williams, Andi Ewington, and 6 others.
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1 primary bookFearscape (collected editions) is a 1-book series first released in 2019 .
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1 primary bookThe Evil Within is a 0-book series first released in 2017 with contributions by Ryan O'Sullivan.
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1 primary bookVoid Trip is a 0-book series first released in 2018 with contributions by Ryan O'Sullivan.
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2 released booksWarhammer 40,000 is a 629-book series first released in 1980 with contributions by Gav Thorpe, Mike Brooks, and 100 others.
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1 primary bookWarhammer 40,000: Dawn of War is a 0-book series first released in 2018 with contributions by Ryan O'Sullivan.