Content is now organized by game version and source

This link potentially matches multiple versions of "Rust Monster":

• Rust Monster (Monstrous Menagerie)

  CR 1/2 · Monstrosity (Medium)

• Rust Monster (System Reference Document 5.2)

  CR 1/2 · Monstrosity (Medium)

• Rust Monster (System Reference Document 5.1)

  CR 1/2 · Monstrosity (Medium)

• Rust Monster (Black Flag SRD)

  CR 1/2 · Monstrosity (Medium)