Fattrool

 is an oil.

Obtaining

 * Dropped by
 * Trooligark

Uses

 * Used in the craft of
 * Elm Lightning Thrower
 * Dazahk Freezammer's Lightning Thrower
 * Holy Bamboo Lightning Thrower
 * Obsidemon Lightning Thrower
 * Protoz'orror Lightning Thrower
 * Royal Blop Lightning Thrower
 * Soft Oak Lightning Thrower