You can cast spells that disrupt other caster's magical abilities. Tier: Paragon Benefit: You gain disrupting Spell as an encounter power. Back to Main Page → 4e Homebrew → Character Options → Feats → Metamagic Feats. Back to Main Page → 4e Homebrew → Character Options → Feats → Paragon Feats. Back to Main Page → 4e Homebrew → Sourcebooks → Arachonomicon; the Book of Spiderkind → Feats.