Improved Metamagic (Epic)
You can cast spells using metamagic feats more easily than normal.
The Gates of Hell (Dice Freaks)
Grimoire of Cosmic Entities Volume One By Eli Atkinson, William Church and Serge W. Desir, Jr.
Original Concept by Serge W. Desir, Jr.
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Prerequisites: Four metamagic feats, Spellcraft 30 ranks.
Benefit: The spell slot you must use to cast a metamagic spell is one level lower than normal (to a minimum of one level higher than normal).
This feat has no effect on a metamagic feat that requires a spell slot one level higher than normal or does not require a higher level slot.
Special: You can gain this feat multiple times. The effects stack, though you can’t lower the level of any metamagic spell’s slot to less than one level higher than normal.