A bolt of Orcy power speeds away from the shaman in a straight line, up to 24" across the battlefield. The first model touched by the bolt must roll equal to or less than its T on a D6 or its head explodes! No armour saves allowed.

Line of Sight

Note that this spell kills automatically - it doesn't inflict wounds and so it is impossible to save against with armour saves or even with special saves which save wounds.