Father Fuller's mace strikes the small demonic statue, and it breaks into pieces.
Several seconds later ...
BOOM! Even though the sky was clear, it sounds like a huge lightning bolt must have struck outside nearby!
There is a rumbling noise which grows louder and louder, and the small room begins to shake.
What do you do?

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.