The title does not specific spells but the question does.
Do you need a 4+ in general in an opposed roll, no.
But with Power you need to activate them first, so you need a 4 or greater to success in casting the Power. So for power, yes.
The title does not specific spells but the question does.
Do you need a 4+ in general in an opposed roll, no.
But with Power you need to activate them first, so you need a 4 or greater to success in casting the Power. So for power, yes.