Wizardsbane Oil hinders the targets spellcasting abilities.
Symbols for the eight schools of magic fluctuate in this oil - one by one appearing and dissolving in the oil, as if devoured.
Properties
Potions
Single Use
Rarity: Uncommon
Weight: 0.2 kg / 0.4 lb
Price: 40 gp
Effect
- Coat your weapon in oil. Its targets the following effects for 2 turns:
- A -3 penalty to Spell Attack Rolls and Spell Save DC
Disadvantage on 
Concentration Saving Throws