Hammer Crush is an ability exclusive to the original Hyperdimension Neptunia. It allows the player to clear obstacles in the way inside a dungeon..

Sometimes, a dungeon contains an obstacle that prevents the player from going down a desired path. An obstacle could be rock formations, stacked boxes, or a metal gate. To remove the obstacle, a character with the ability gets as nearest to the obstacle as possible. When the ability is put to use, the character takes out a hammer and "crushes" the obstacle. This rids of the obstacle, opening the desired path so that the player may proceed. The player must wait for the ability to recharge before being able to put to use again.

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