Sunburst causes a globe of searing heat and radiance to
explode silently from a point the character selects. All
creatures in the globe are blinded and are dealt 3d6 points of
damage. (A successful Reflex save negates the blindness and
reduces the damage by half.). In addition to the obvious effects,
a blinded creature suffers a 50% miss chance in combat (all
opponents have full concealment), loses any Dexterity bonus to
AC, grants a +2 bonus to attackers attack rolls (they are
effectively invisible), moves at half speed, and suffers a
4 penalty on most Strength- and Dexterity-based skills.
Creatures to whom sunlight is harmful or unnatural take double
Undead creatures caught within the globe are dealt 1d6 points
of damage per caster level (maximum 25d6), or half damage if a
Reflex save is successful. In addition, the burst results in the
destruction of undead creatures specifically affected by sunlight
if they fail their saves.
The ultraviolet light generated by the spell deals damage to
fungi, mold, oozes, slimes, jellies, puddings, and fungoid
creatures just as if they were undead creatures.