The Knowledge of the World
The Knowledge of the World is the name given to a collection of important secrets relating to the Glade of Dreams and its creation, its history and its inhabitants. The Knowledge is contained within the Heart of the World itself; when the Robo-Pirates shatter the Heart into its 1000 Yellow Lums shortly prior to the events of Rayman 2, the Knowledge becomes separated and disseminated amongst them. As Rayman collects more and more of the Yellow Lums, the secrets gradually reveal themselves to him.
As Rayman gathers the Yellow Lums and learns the secrets, he ascends through five different stages of wisdom: Naïve, Novice, Enlightened, Wise, and Omniscient. Each of the five stages is subdivided into five different levels of wisdom, with the exception of the final stage, which contains only one. This makes for a total of twenty-one levels of wisdom through which Rayman progresses, each one revealing new secrets to both him and the player.
The Knowledge of the World is omitted from both the PlayStation and PlayStation 2 versions of the game. It is also not to be found in any other games in which Rayman collects Yellow Lums, such as the Game Boy Advance versions of Rayman 3 and Rayman Raving Rabbids, likely because only the Yellow Lums in Rayman 2 are also part of the Heart of the World, while in others, they are just conglomerates of energy.
The Knowledge of the World from the iOS demo.
1–49 Yellow Lums
50–99 Yellow Lums
First, you must know that the universe is made of energy. Everything that moves around you, everything that lives and thinks is given life by the tiny magical lights which we call... Lums.
100–159 Yellow Lums
There are 4 types of Lums. The most important ones are the Yellow Lums. There are 1000 of them. The Yellow Lums give knowledge to those who gather them and can also open doors into unknown places...
150–199 Yellow Lums
The Red Lums are full of vital energy. They can prolong your life. Pirates love them. Destroy them and you can take all the Red Lums which they have stolen for yourself.
200–249 Yellow Lums
250–299 Yellow Lums
Blue Lums contain the first breath. They are the origin of all life. Each creature receives at birth his Blue Lums and keeps them until the day they die.
300–349 Yellow Lums
350–399 Yellow Lums
400–449 Yellow Lums
450–499 Yellow Lums
Next, he created the simpler creatures. First came Clark. His incredible strength proved useful in carving out the landscape, to fold hills into the monotonous plains and to deviate the too-impetuous rivers.
500–549 Yellow Lums
After, came the adorable Globox and his family. Aren't they cute? The wise sages don't know what Polokus had in mind when creating them, but he truly used his sense of humour for inspiration.
550–599 Yellow Lums
600–649 Yellow Lums
Unfortunately, Polokus couldn't control all of his creations. His nightmares and negative thoughts gave birth to their own peculiar beasts. So, be careful not to meet up with them. And avoid any nightmares you might meet in your journeys.
650–699 Yellow Lums
After having created all the creatures who live in this world, a harder task remained: creating time. So, Polokus went to the place where all the gods of all the worlds meet, and together they set about dreaming up the future.
700–749 Yellow Lums
750–799 Yellow Lums
800–849 Yellow Lums
The period immediately following Polokus's departure was a time of wonder. The people learned to speak and love nature. A wind of freedom blew through all their souls. Everything was in harmony. Until the pirates landed...
850–899 Yellow Lums
900–949 Yellow Lums
950–998 Yellow Lums
You have become very wise in your own way. The time has come to reveal to you a mystery for which no sage can find the answer. This mystery is you! No one knows from whence you came nor who your parents were.