What is the name of the synthetic hallucinogen that users claim expands consciousness and opens up new worlds?

The synthetic hallucinogen that users commonly associate with expanding consciousness and opening up new worlds is LSD, or lysergic acid diethylamide. LSD is known for its powerful effects on perception, mood, and thought processes, often leading users to experience significant alterations in sensory perception, as well as profound introspective insights. These experiences can create a feeling of connection to a broader universe or deeper understanding of oneself and existence, which aligns with the notion of "expanding consciousness."

While other substances listed, such as PCP, ketamine, and cannabinoids, have their own unique effects and uses in both recreational and clinical settings, they do not possess the same widely recognized reputation for inducing the spiritual or consciousness-expanding experiences typically associated with LSD.