IC3PEAK is a Russian experimental electronic duo formed in October 2013 in Moscow. It consists of producer Николай Костылев (Nikolay Kostylev, aka Nick) and vocalist Анастасия Креслина (Anastasia Kreslina, aka Nastya). Between 2014 and 2016, they released the EPs Substances and Vacuum, both in 2014, and the albums IC3PEAK (2015) and FALLAL (2016). They were known for their ethereal or abstract style of witch house.