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Metamagic Feats: Feats that affect the way you use spells, such as making them more powerful or easier to cast.
D&D 3e Feats
D&D 3.5e Feats
|Suppress Spell Energy (3.5e Feat)||You have learned to minimize the mystical disruption caused when a spell is cast, making it difficult for others to detect your spells.|
D&D 5e Feats