She has a giant wooden hammer under her pillow.
It was a blow from a giant hammer the size of a planet.
There was a heavy explosion somewhere below, and the floor bounced as if hit with a giant hammer, knocking him off his feet.
The purse can store many large items, like a giant hammer, and even the protagonist at one point.
The elevator came lower, close enough to blot out all light above, like a giant hammer coming down on an insect.
However, Kaori is much more jealous and often hits him with a giant hammer.
The Drakon jolted as if struck by a giant hammer.
Later he is able to bend the mop's direction and make in turn into giant hammers to beat people with.
Huge chasms cracked the city, as if a giant hammer had struck.
"It looks like someone took a giant hammer to it."