Dedicated Spellcaster (3.5e Alternate Class Feature)
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Rather than spreading your education between metamagic and item creation, your mentor focused exclusively on the former.
Replaces: Scribe Scroll and bonus Wizard feats.
Benefit: Choose either Spell Mastery or a metamagic feat you qualify for at 1st, 5th, 10th, 15th, and 20th level.
Original Source: Dragon Magazine