At-will, std, ranged, 1 vitae; you lay a curse upon the subject. Choose one:

• Curse of Weakness: subject's attacks and powers inflict half damage. Cha or Str ends.
• Clumsiness: when subject takes a move action or uses a power, they must pass a Dex/Int save or else fumble it and fail, falling prone if moving, and losing the power if casting. Dex or Int ends.
• Frailty: subject suffers your proficiency bonus as a penalty to AC and all saving throws. Con or Wis ends.