Two examples are metamorphosis, in which faen become tiny, winged sprites, and Chi-Julud, in which the wise giants temporarily lose their wisdom to become stronger and more warlike.
The 256-page hardcover core rulebook bears many similarities to the Player's Handbook of 3rd Edition Dungeons & Dragons,[citation needed] on which Cook worked a few years prior.
The announcement of the 2004 version came as an unpleasant surprise to Cook and some of his fans, who believed that they had an understanding with Wizards of the Coast that this title would not be re-used in the near future.
It adds the contents of two previously separate books, The Diamond Throne and the Player's Companion, to the original variant player's handbook, along with new material including a new class and race, many new feats and spells, and rules for higher level characters than were possible in the original book.
[7] Malhavoc Press expanded the Arcana Unearthed universe with a series of books, including the rulebooks The Diamond Throne,[8] Legacy of Dragons,[9] Grimoire II, and Mystic Secrets,[10] and the short story collection Children of the Rune.