Bombing
noun, verbal noun
An explode attack is when someone attacks with exploding things, like bombs. This is a bombing.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
そのチョコレート工場は、爆撃を受けて粉々になりました。
The chocolate factory crumbled to pieces from the bombing.