Slowly unravel it as one long single thread while the last mental falculties he has lose their grip on reality and the person that was Biden eventually becomes less comprehensible as ever having been a real and put together thing, much like the pile of thread you'll have in the end.
The one time I did Salvia I thought I was trapped in a void and the only thing I could perceive was the TV screen as little people walked in and out of doors along the bottom of the screen like a theater.