Help on skill potion lore

Current upkeeper: Xiao
Using time      : 2
Skill cost      : 7
Skill type      : generic
Affecting stats : 
This lore allows the alchemist to understand better the nature of potions
and making them. This knowledge is especially essential when trying to create
a potion. This skill can also be used to try to find out the potion's 
statistics.

Poisonous strike < List > Prayer