Sunbolt

Missile 
Shoot a bolt of concentrated sunlight from one fingertip. It has 1/2D 75, Max 150, Acc 2; use the Innate Attack skill. The light burns like laser light and does tight-beam burning damage. Increase a shield’s DB against this spell by 50%, rounding down, if it is highly polished.

Whether or not damage gets through armor, a hit to the face blinds the victim unless he makes a HT roll. A hit to the eyes does double damage and blinds the victim unless he makes a HT roll at a penalty equal to the damage suffered. Treat Sunbolt-induced blindness as a crippling injury for recovery purposes (p. B420).

Any mirror will reflect a Sunbolt; if the GM is uncertain of the exact angle of incidence/reflection (if the Sunbolt hits a hand-held mirror, for instance), determine its new direction randomly. Use the rules for hitting the wrong target (p. B389) to determine if anything along the new path is hit.  
Deliberately reflected shots are a much trickier matter; range penalties will be for the total range to the target, with an additional -2 for each “bounce.” And unless the mirrors are very large and/or stable and/or deliberately placed for the purpose, the GM may simply declare the shot impossible.

Defending characters holding mirrors may attempt to reflect the bolt back at the caster – treat this as a Block defense at a -2 penalty; also apply the normal range penalties from the defender to the caster. The DB of the mirror (if it is large enough to offer any; GM call) adds to this roll normally.

The caster may defend normally, unless totally surprised. 
Sunbolt is not affected by Missile Shield or Reverse Missiles. Force Dome and Deflect Energy do offer protection. Areas of magical Darkness or Blackout resist Sunbolt.

Cost: Any amount up to your Magery level per second, for three seconds. The bolt does 1d-1 tight-beam burning damage per energy point. 
Time to cast: 1 to 3 seconds. 
Prerequisites: At least six other Light and Darkness spells, including Sunlight, Magery 1.

Item 
Staff or wand; the bolt is fired from the tip of the item. Usable only by mages.  
Cost to create: 800 energy and a sunstone worth at least $1,000.