Poneglyphs
Poneglyphs are indestructible books built by the Kozuki clan in the One Piece manga, recording the Void Century, with four Road Poneglyphs and a uniting Rio Poneglyph.
First mentionedCh. 193, p. 1257 chapters reference it
Named in Ch. 193, earlier than Ch. 202, the chapter often cited as its first mention.
Known from canon
6 factsRobin explains that connecting poneglyphs forms the Rio Poneglyph which records the Void Century.
The mink declares there are a total of four Road Poneglyphs throughout the world.
The mink states the Poneglyphs are indestructible books the Kozuki clan constructed.
A caption says the Golden City Shandora was destroyed after fighting to protect the Poneglyphs.
Robin says the poneglyph is housed deep down in an underground chamber.
Robin says she sought the Rio Poneglyph.
Still unknown
4 questionsWhere are all four Road Poneglyphs hidden throughout the One Piece world?
How were the Poneglyphs made indestructible by the Kozuki clan?
What specific information does the Rio Poneglyph contain about the Void Century?
Which characters have read or translated the Road Poneglyphs so far?
Best explanation right now
All theoriesRoad poneglyphs are a star map and Nami will learn star navigation from the giants.
Timeline of mentions
6 key chapters- First mentionCh. 193, p. 12
- Robin describes poneglyph locationCh. 202, p. 5
- Robin states her goalCh. 218, p. 3
- Caption recounts Shandora defenseCh. 272, p. 3
- Robin defines the Rio PoneglyphCh. 301, p. 13
- Mink counts Road PoneglyphsCh. 818, p. 4