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Jetstone's livery, the Royal Radish.

Proposed Canon

Jetstone is a royal side in Erfworld. It is one of Erfworld's oldest sides, having lasted approximately two-thirds of Erfworld's existence and a minimum of 80,000 turns. It was, until recently, ruled by King Slately, until he was killed by Parson of Gobwin Knob.

Jetstone's current ruler is King Tramennis. At the moment, he has no Heir. A new Heir was to be popped in 16 turns, in 91 AW, but the fall of the city of Spacerock terminated that process.

Jetstone is also the name of a Tribe of Men. Slately and his sons are members of this Tribe.

Marbits and Altruist Elves were natural allies of Jetstone, until Jetstone was forced by lack of funds to release them after the destruction of Jetstone's army during the Battle of Gobwin Knob.


Jetstone is a Royal Capital Side, producing human Units, including Nobles and Royals.

Jetstone was the founding Side and a leading faction in the first Royal Crown Coalition, providing the largest contingent of troops to the Alliance.

During the Battle for Gobwin Knob, its troops were led by Prince Ansom, then Chief Warlord and heir to the throne: Prince Ansom was killed during parley by the Twoll Bogroll. He was the first unit to be decrypted by Chief Croakamancer Wanda of Gobwin Knob.


The Capital of Jetstone was Spacerock, but it has recently been switched back to its original capital, Jetstone city.


Jetstone is described as having three level 5 cities in LIAB Prologue 19, of which one is Dhrystone and another was the Capital Spacerock. Jetstone also still controls the Capital site upon which the city of Jetstone was built and the Side of Jetstone founded.

Former Cities

Former Characters

Current Characters



Livery worn by infantry and warlords is yellow-brown (light brown shirts and pants with yellow armor) with the Jetstone insignia (a radish) on the chest.



Main article: Erfworld Geography

Jetstone shares borders with Unaroyal and Haggar. Jetstone's directional location relative to other Sides is not known.

Possible Cities

  • Sharonstone - A king of Jetstone died in battle at this city several thousand turns ago, but its ownership, both past and present, is uncertain.
  • Olay - One of Jetstone's nobles is known as the Earl of Olay. This suggests the existence of a city of Olay.

Real World References

The name "Jetstone" seems to be a portmanteau of the names of the Hanna-Barbera cartoons The Jetsons and The Flintstones. King Slately's name is an amalgamation of the names of the bosses on the two shows, Mr. Spacely (Jetsons) and Mr. Slate (Flintstones). The capital, Spacerock, is named according to the themes on the two shows, and may be an amalgamation of the workplaces of the two main characters -- Fred Flintstone's the Slate Rock and Gravel Company with George Jetson's Spacely Space Sprockets. (Fred lived in Bedrock, but George lived in Orbit City.)

It's worth noting that Jet is a type of gemstone. It's where the term "jet black" originates from. It's traditionally been used in mourning jewelry for funerals, and considering how many princes and people Jetstone has lost in the story so far, it's an apt name.

In Mighty Mouse: The New Adventures, the titular hero was once sucked into mashups of other cartoons, including "The Jetstones". He was subjected to an endless, maddening theme song that introduced every member of the cast.

The radishes that are the symbol of Jetstone are reminiscent of those from Super Mario Brothers 2.