Manuscript page: Enhanced Petri's Philter

A copy of this formula can be purchased from the following merchants:
 * the herbalist halfling in Novigrad
 * the herbalist at the Ruined Inn

Another copy can be found inside the Elverum Lighthouse.

de:Manuskriptseite: Verbesserter Petris Filter fr:Page de manuscrit : philtre de Petri amélioré it:Pagina di manoscritto: Filtro di Petri migliorato pl:Stronica z manuskryptu: Ulepszony Filtr Petriego