Shield Cement

Shield Cement is a material found in the Other World.

Description
Shield Cement is used as a defense mechanism. Field Walk will not work within a room coated with Shield Cement. You also can't use Field Walk to enter a room coated in it.

Trivia

 * Shield Cement also prevents the use of Dungeon Walk. This is used by thieves who hunt in labyrinths to prevent their prey from escaping.
 * However, Warp is not affected by Shield Cement, unlike the other known transfer magics.