For his performance at ComplexCon 2016 in Long Beach, California, Skrillex revived his "Mothership" set piece for one night only.

The answer is true because Skrillex revived his iconic Mothership set piece for one night only at ComplexCon 2016 in Long Beach, California. Skrillex is known for his visually stunning and immersive live performances, and the Mothership set piece was a significant part of his repertoire. Reviving it for this particular event was a special occasion, allowing fans to experience the nostalgic and enthralling atmosphere of his previous shows. It created a unique and memorable experience for attendees at ComplexCon 2016, making it a true statement.