It’s unclear whether Hypnotic Pattern is effective at the hours of darkness. As created, It will be up for your DM to determine. Individually, I'd personally rule that the Hypnotic Sample is made of light as it is actually an illusion and would, therefore, be obvious in the dark. The https://andretzehm.ivasdesign.com/55824354/the-fact-about-patron-hipnotico-that-no-one-is-suggesting