The role-playing game Ryzom takes place in the year 2531 on planet Atys. Unlike other planets, Atys is one enormous tree, large enough to sustain an atmosphere and multiple ecosystems on its surface and within its immense underground caves created by large networks of branches and roots.

In the province of Amakna, dragon eggs called Dofus have just disappeared and with them the quiet daily life that the population used to live. While strange phenomena keep on arising in the forests of the eternal province, hundreds of adventurers go off in search of these eggs with magic powers.