A living world. A shared adventure.
Welcome
to Tyrra.
Explore the world, discover its peoples,
and find the rules for your next adventure.
In Game Lore
Evendarrian Library
Discover the customs, chronicles, and collected knowledge of Tyrra.
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Law & custom
Accords of Avalon
The laws, customs, and noble obligations that bind the Concordance of Avalon.
Read the accords -
Guilds & orders
Avalon Societies
Explore the guilds, orders, and fellowships of BrimRose Commons.
Discover the societies -
History & service
Evendarr Royal Marines
The history, traditions, and duties of Evendarr’s defenders by sea and land.
Explore the Marines -
Chivalry
Knights Oath
The ceremony and sworn promises that mark a squire’s elevation to knighthood.
Read the oath -
Magic & lore
The Huntington Compendium
A collection of Formal Magic components, their origins, and the energies they carry.
Open the compendium
Your player reference
Find your next chapter.
From your first character to your next spell.
Races
Meet the peoples of Tyrra and explore their handbooks.
Browse races
Classes
Find your path as a Fighter, Rogue, Scholar, or Templar.
Explore classes
Skills
Explore training, production, and racial abilities.
Discover skills
Spells
Find Earth and Celestial magic, effects, and incantations.
Open the spellbook
Beyond the rulebook
The world
of Tyrra.
A place for the lore, histories, and stories that bring NERO to life.
Enter World of TyrraBuilt for the NERO community
An adventure worth sharing.
NERO Wiki is a growing reference for players and contributors. Entries identify their sources so that rules from different editions and local chapter lore stay clear.
Approved contributors can help the collection grow. Cite your sources and leave an edit summary when adding rules or lore.