Meta:Dero

Unincorporated sources

• Alchemy Manual 10 --Fleanetha (talk) 23:20, 29 August 2014 (UTC)
• Major updates in their chapter in Inner Sea Monster Codex --Fleanetha (talk) 13:02, 23 July 2015 (UTC)
• Occult Bestiary 20 --Fleanetha (talk) 11:57, 22 October 2015 (UTC)
• Heroes of the Darklands a few refs --Fleanetha (talk) 23:39, 29 October 2019 (UTC)
• Trail of the Hunted: re derro ruins in Fangwood --Fleanetha (talk) 11:02, 7 April 2020 (UTC)