Content is now organized by game version and source

This link potentially matches multiple versions of "Lich":

• Lich (System Reference Document 5.2)

  CR 21 · Undead (Medium)

• Lich (System Reference Document 5.1)

  CR 21 · Undead (Medium)

• Lich (Black Flag SRD)

  CR 21 · Undead (Medium)

• Lich (Monstrous Menagerie)

  CR 21 · Undead (Medium)