From TFCWiki - The Final Challenge MUD's Player Information Resource
Project a field of magical energy to deflect an opponent's blows.
Shield is available to:
Mages : level 1. Any Alignment.
- A defensive spell that costs 12 mana at level 30 mage and provides -20AC. If you are fighting a mob, this should always be active on you. - Ink, added 05/24/2012