worlds by watt

Cloud Empress: Rulebook

19 rating(s)
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Cloud Empress: Rulebook

Start your journey into an expansive, Nausicaa-inspired fantasy campaign setting ruled by giant Magic Cicadas, for the Mothership Sci-Fi Horror RPG 1E. Unleash imaginative magic spells and harness ancient relics to survive the summer of the Century Brood.

"Cloud Empress is a startling vision bursting with imagination and wonder. watt has pulled off something truly unique - both familiar and unsettling."

  • Sean McCoy, creator of Mothership
"Cloud Empress is unafraid to be subtle and quiet. Filled with fresh ideas and rooted in play, it is a deeply human work."
  • Luke Gearing, author of Hull Breach and Pound of Flesh

Cloud Empress is an expansive, Nausicaa-inspired fantasy campaign setting for the Mothership Sci-Fi Horror RPG. Cloud Empress places you in a world ruled by the patterns of giant magical cicadas. Cloud Empress creates a new Earth, thousands of years in the future inspired by Hayao Miyazaki’s Nausicaa in the Valley of the Wind, Frank Herbert’s Dune, and Hiromu Arakawa’s Full Metal Alchemist.

Prince Bug

What's Inside

  • 4 evocative jobs: Sellsword, Lordling, Magician, and Courier
  • 30 unique science fantasy skills
  • 30 magical spells each with amazing effects and dangerous consequences
  • 30 chalk crests capable of unleashing ancient powers
  • 20 new science fantasy tools of violence
  • 10 strange utility spores
  • 7 animals, friends, and foes
  • 26 illustrations
  • And much more!


  • 58 page, Digest size, full color saddle-stitched.
  • Printed in the United States.
  • Fully hyperlinked and bookmarked.
  • Compatible with Mothership 1st Edition.
  • Made by entirely by humans.



Game, graphic design and layout by watt
Illustrations by pbbeta, Garin, imogen, and Juan Gee
Editing and development by Roz Leahy
Additional game development by Christian Sorrell
Sensitivity editing by Monroe Soto
Playtesting by Mary Helen Inskeep, Erica Young, Patrick Frazier, Noel Miller, Kat Miller-Frazier, Dan Frazier, Ashley Nolan, Anna Frazier, Zobot257, Zoe R., Other Jim, ChrisAir, Terry Herc, and Jet McFin.
Special thanks to A & D, Sean McCoy and Luke Gearing