Content is now organized by game version and source

This link potentially matches multiple versions of "Wyvern":

• Wyvern (System Reference Document 5.2)

  CR 6 · Dragon (Large)

• Wyvern (System Reference Document 5.1)

  CR 6 · Dragon (Large)

• Wyvern (Monstrous Menagerie)

  CR 6 · Dragon (Large)

• Wyvern (Black Flag SRD)

  CR 6 · Dragon (Large)