Extend Spell (Feat)

convert to a magic item for the rings slot

You can make your spells last twice as long.

Prerequisites: Caster Level 1

Benefit: An extended spell lasts twice as long as normal. A spell with a duration of concentration, instantaneous, or permanent is not affected by this feat.

Level Increase: +1 (An extended spell uses up a spell slot one level higher than the spell's actual level.)