Break this seal while touching a humanoid you want to impersonate. You become a perfect illusory copy of them, externally. All checks made to determine your authenticity based on your external features are made at disadvantage for its duration. You become Vulnerable and Disguised when in this altered form. When Disguised, begin a Standard Countdown (10), ticking the Countdown for each action roll. For each minute spent in your disguise, make a Strength (15) Reaction Roll to upkeep your disguise. If you fail this check, mark a Stress. This effect ends on the end of the Countdown, until you run out of Hit Points to mark, or until you choose to drop the effect.