Player's Option: Heroes of the Elemental Chaos is a sourcebook for the 4th-edition ruleset of Dungeons & Dragons for the core setting, although it also provides specific information about primordials of the Forgotten Realms campaign setting.

Masters of fire and earth. Lords of air and water. This tome is the definitive sourcebook for creating and playing characters with ties to the Elemental Chaos and the primordial beings that dwell there. It shows how the elements can influence heroes of the natural world and presents elemental-themed character options for players. In addition to discussing elemental power and presenting new character themes with strong story hooks, this book includes three new class builds—the elementalist, the sha'ir, and the shugenja—and new feats and paragon paths designed to tie existing characters more closely to the Elemental Chaos.
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