Ryan “Northernlion” Letourneau, the Twitch streamer and Slay the Spire 2 aficionado who is personally responsible for keeping Peloton in business, has just announced the Northernlion Supercruise: a six-day-long “ultimate streamer cruise” that will set you back, at minimum, $1,800. The event was announced on April 13 during Northernlion’s most recent stream on Twitch, although…