Void Spell Drain Comparison
Spell Per Hit Total Avg Avg/Pwr Area/Range

Voidspike I 1-7   4 2  
Voidwall 4-8   6 2 Wall
Voidspike II 1-8 x 2 = 2-16 9 1.8  
Voidbolt 4-16   10 1 1/9 Range:250
Voidball 6-22   14 1 1/6 Area:128
Uttervoid 1-35   18 0.857 Area:128


PerHit = the power drained per direct hit
Avg = average power drained assuming all projectiles hit
Avg/Pwr = average power drained per point of power used to cast

All values expressed exactly if possible, or to 3 decimal places

Notes