The rules are unclear on how Manipulation works. The wording and the table imply that each manipulation improves the basic spell by 1 point, so with no manipulation you have a 1-Magnitude touch spell that lasts for your POW in minutes, and each point of manipulation can increase any of these factors by 1.
The example in Arms & Equipment, however, says:
The example in Arms & Equipment, however, says:
This is selling the caster short by 1 point, in my understanding.Thus, a sorcerer with Manipulation 70% can
work seven Manipulations into a spell within an enchantment; a
Magnitude 7 spell, or a Magnitude 3 spell with a Range of 50m
x the sorcerer’s POW, or a spell with a Duration of 4 x POW
in minutes that affects up to 5 Targets.