Manuscript page: Superior Thunderbolt

Manuscript page: Superior Thunderbolt is an alchemy formula in that is needed to craft Superior Thunderbolt.
It's a possible spawn at a random diagram location starting at level 23, or purchased from the following merchants:
* Gremist at Gedyneith
* Yolar at Gedyneith
* Countess Mignole during Open Sesame! 
* All alchemists and herbalists in Toussaint, except Pinastri 
pl:Stronica z manuskryptu: Wyśmienity Grom
ru:Рецепт: Отличный Гром
Category:The Witcher 3 alchemy formulae