From the back cover: Herein reside powerful beasts both fell and terrible... The world’s first epic-level monster collection! Featuring the most powerful creatures from Avadnu’s history, Legends of Avadnu uses material recently made Open Content to create monsters for use in any epic-level d20 System game. Presented in the same format as Denizens of Avadnu, Legends is an electronic product written to support and bolster interest in the Denizens print product.