Petroleum Effect Series
Series Metadata
Listing Series
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Petroleum Effect by PetroleumHead
Fandoms: Mass Effect Trilogy, Care Bears, Cthulhu Mythos - H. P. Lovecraft
29 Jun 2025
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Summary
A dark alternative Mass Effect universe with a little bit of XCOM and Cthulhu Mythos, along with some very sinister Care Bears. If humanity discovers that, in the right circumstances, petroleum can be used as a superior alternative to element zero, just how far will Earth's increasingly post-human, racist, xenophobic, authoritarian government go to obtain oil?
Series
- Part 1 of Petroleum Effect Series
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Petroleum Effect II by PetroleumHead
Fandoms: Mass Effect - All Media Types, Mass Effect Trilogy, Care Bears, Harry Potter - J. K. Rowling, Cthulhu Mythos - H. P. Lovecraft
19 Jul 2025
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Summary
The sequel to Petroleum Effect. A dark alternative Mass Effect universe with a little bit of XCOM, Harry Potter and Cthulhu Mythos. Here, petroleum can be used as a superior alternative to element zero, meaning that Earth's post-human, racist, xenophobic, authoritarian government will do awful things to obtain oil. Can young rebels Harry Potter and Hermione Granger restore liberty?
NOTE - STORIES IN THE PETROLEUM EFFECT SERIES WILL NOW BE PUBLISHED FIRST ON AO3 / Archive of Our Own and secondarily on other sites. The version here will occasionally contain explicit material, whereas elsewhere it will be censored down to mature. All characters depicted in sexual situations are adults of 18 years or older. Sex is not a focus of this story and is infrequent.
Series
- Part 2 of Petroleum Effect Series