Deeper Darkness (Evocation) [Darkness]
Level: Priest 3, Mage 3, Assassin 3, Blackguard 2
Mana: 4. Long duration. Base Success: 75%.
  Creates a 60' (6 squares) radius globe of inpenetrable magical darkness that obscures all natural and magical sight. The spell will also negate the effects of a call light spell existing in its area when it is cast.