Petri's Philter formula

This scroll contains the formula for Petri's Philter, a potion which augments the intensity of all Signs.
== Contents ==
:Petri's Philter formula
:Petri's Philter: augments the intensity of all Signs.
== Journal entries ==
* Formula: Petri's Philter
== Locations ==
* Received from the Gravedigger at the same time as the key to the cemetery gate (Chapter II)
* A crate (or trunk) in the Fisstech lab in the Salamandra hideout in the sewers (Chapter III)
* Received from chief chemist in the Fisstech lab in the Salamandra hideout in the sewers if you entered with password (Chapter III)
* The Hermit in the Fields sells it for 500 (Chapter IV)
* Kalkstein sells it in Old Vizima (Chapter V)
cs:Recept na Petriho filtr
de:Petri's Zaubertrank (Schriftrolle)
fr:Recette du filtre de Petri
it:Ricetta del filtro di Petri
pl:Recepta na Filtr Petriego
ru:Формула Зелья Петри
Category:The Witcher scrolls