The One Ring RPG: Adventurer's Companion - Rules of Play says:
At the heart of every great story are great characters. The Adventurer’s Companion forThe One Ring Roleplaying Gameis a guide and reference for players, designed to help them make those truly evocative characters.
The Adventurer’s Companion is packed with advice to make your player-hero truly feel a part of Middle-earth, along with new character options and exciting new rules.