Marie Primer+Free Or Non Actions+Sequences+Red+Frivolous_Casting_link

Whenever the chromamancer casts a sphere effect with a duration longer than instantaneous or 1 round, she can reduce its duration to 1 round, plus 1 round per 5 prodigy levels she possesses, or 1 round if the effect would have the same duration already, to complete this (link). The sphere effect cast must require a standard action or longer to cast.