(General)
You can focus your concentration when maintaining pattern effects to slowly move them.
Prerequisites
Spell Focus (illusion),
Caster Level 5th.
Benefit
When you are concentrating to maintain a spell from the pattern subschool, you can move any area effects associated with that spell by up to 10 feet as a
Move Action. Creatures within the new area of effect are subject to the spell as if it had just been cast (attempting saves as normal). When concentrating on a pattern spell that already allows you to move the effect, such as rainbow pattern, increase the distance you can move the pattern by 50%.