Spoiler Warning!!!: Plot and/or ending details of a Fighting Fantasy publication follow. Please DO NOT read this article if you do not want foreknowledge of this publication. Although the article below is based on canon, some of its content is considered extrapolation because it assumes a certain course of events through an adventure that has many possible routes.
This spell usually deducts two from the Attack Strength of any enemy. It can also protect from missiles or falling objects. The shield lasts long enough to explore the Temple of Courga in Kharé.