Your spells are as dark as the darkest night. Tier: Paragon Benefit: You can use umbral 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.