Elixir of Peerless Focus is an uncommon Utility Potion that helps maintain Concentration and resist being Charmed.
A spellcaster who cannot maintain their spells is about as useful as a chocolate kettle.
Properties
Elixirs
Single Use
Rarity: Uncommon
Weight: 0.1 kg / 0.2 lb
Price: 20 gp
Effect
- Gain
Advantage on 
Concentration saves and against being Charmed - Magic can't put you to Sleep
- Replaces effects from other elixirs when drunk
Where to find
Can be crafted via the Alchemy system (recipe: Sublimate of Belladona + any Ashes)