I would like to see a prism spell that casts 3-4 prisms on the same enemy specifically for DoT spells. This would mostly be helpful to fire, which has many useful DoT spells, and ice, because ice enemies cast tower shields long after other enemies stop casting shields for the opposing school. The towers get annoying and idk I think it would be better to cast a triple prism and snow angel them than spend a round and 2 pips stealing a ward, (especially if they just happen to tower again if they go before you in the round when you are attacking)