The Rammahgon, a renowned and significant compilation, stands as one of the sacred Jedi texts. Penned in the Coremaic language, it features at least one section crafted by a Jedi known as Kli the Elder, and brings together numerous Jedi origin stories. Presumed lost for over 5,000 years, the original Rammahgon resurfaced when Luke Skywalker unearthed it within the underground remains of Ossus. Subsequently, Luke housed it in the tree library located on Temple Island of the planet Ahch-To.
Esteemed as a pivotal and impactful manuscript, the Rammahgon is classified among the sacred Jedi texts. Its script is the archaic Coremaic language, along with protobesh symbols, and contains four distinct and contradictory narratives regarding the genesis of the cosmos and the Force, alongside principles derived from these accounts. The Fourth Precept, a poem depicting gods engaged in cosmic warfare, is symbolized by an all-seeing "eye" on the cover. Additionally, the tome provides insights into Sith wayfinders, including several diagrams, one of which dates back at least 4,000 years. Exegol is referenced multiple times, with hyperspatial coordinates leading to the Sith stronghold, accompanied by annotations from Luke Skywalker that establish a connection to Ahch-To, the Jedi homeworld. Other passages detail the perils of deep space and the Galactic Barrier.
A Jedi of renown, Kli the Elder, is credited with authoring at least one chapter.
The Rammahgon, a substantial volume, is bound in leather and features handwritten text in ink on a rudimentary material known as paper. Its spine and pages are crafted from uneti wood, while the cover consists of "clay" derived from reddish interstellar gases originating from the Unknown Regions.
The Rammahgon was composed more than 5,000 years prior to 35 ABY, with at least one chapter penned by Kli the Elder, a Jedi of note. By 3965 BBY, a comprehensive depiction of a Sith wayfinder was incorporated into the book.
During the rise of the New Republic, while journeying across the galaxy, Jedi Master Luke Skywalker explored the subterranean ruins of Ossus. There, he discovered the genuine Rammahgon manuscript, which had been presumed lost for over five millennia. He subsequently gathered the book, along with seven other bound volumes, within the tree library situated on Temple Island on the planet Ahch-To. Skywalker enriched the book with his understanding of the Sith wayfinder, including additions that linked the Jedi's ancestral home, Ahch-To, to the Sith fortress of Exegol.
In 34 ABY, Rey came across the tree library, prompting Luke Skywalker to elucidate its significance. In his explanation, he mentioned the titles of the books Aionomica and Rammahgon. Following Rey's decision to discontinue her training, she absconded with the sacred Jedi texts, including the Rammahgon, aboard the Millennium Falcon as she departed Ahch-To.
A year later, Rey stored the Jedi texts in her workshop at the Resistance base on Ajan Kloss, where the weighty Rammahgon was placed on a shelf. To her dismay, she found nothing within its pages that could facilitate communication with the Force spirits of departed Jedi. Overwhelmed by a broadcast from the presumed-dead Darth Sidious, Rey perused the Rammahgon's chapters, seeking any mention of Exegol. She located the planet spelled as "Ixigul," accompanied by a cipher from Luke Skywalker on the same page.
With the assistance of Beaumont Kin, a historian, Rey deciphered the text and Luke's annotations regarding the Sith wayfinders in the Rammahgon. This enabled her to commence her journey to Exegol, where her grandfather, Darth Sidious, the Dark Lord of the Sith and leader of the Sith Eternal, awaited her.
The Rammahgon made its debut in the 2017 cinematic release Star Wars: Episode VIII The Last Jedi, with its identification confirmed in the associated novelization. Within the Star Wars Legends continuity, Luke Skywalker discovered an ancient Jedi book within the Hall of Knowledge located in the ruins of the Great Jedi Library on the planet Ossus.