Monstrous Claw

Where to get

 * Monstrous Claws drop very infrequently from various monsters throughout all of Tyria. There doesn't seem to be any species that drops them considerably more often than others.
 * Can be bought at Rare Material Traders.

Creatures know to drop :
 * Maguuma Spider

Usage

 * Necromancer Canthan Armor
 * Ritualist Seitung Armor