Lightning Ring

This spell surrounds the caster with a bright white, crackling, chest-high ring of lightning. The ring moves with the caster, who can cast other spells without harming the ring's functioning after the round in which the ring is established. While encircled by the ring, the caster is immune to damage from all lightning attacks.

Twice per round, the ring can emit a lightning bolt that streaks straight outward in a direction chosen by the caster. (The bolt rebounds at an angle chosen by the DM if it strikes something solid and non-living.) Such bolts cause 8d6 points of damage to all creatures in their path. Creatures that are struck are allowed a saving throw vs. spell for half damage.

Alternatively, this spell can be cast to discharge all at once. The ring forms in one round, spinning about the caster (who is protected against all lightning damage for that round), then rises straight up and fires eight lightning bolts at once at up to eight different targets chosen by the caster. In doing so, the spell exhausts itself. The bolts inflict 8d6 points of damage each (save for half damage).

The material components of this spell are a ring of any size, fashioned of glass, and a bit of fur from any animal.

Notes: Known to the Seven Sisters and a few other wizards in the Forgotten Realms setting, very rare; virtually unknown elsewhere.