Basilisk Brain

Basilisk Brain is a component in the +25 stat potions obtainable in the Blasted Lands.

Source
Basilisk Brain drops from Redstone Basilisks and Redstone Crystalhides in the Blasted Lands.

As a quest objective

 * The Basilisk's Bite
 * A Boar's Vitality
 * Infallible Mind
 * Spirit of the Boar