When you get hit by the shulker with its levitation powers the timer goes to zero but the effect does not stop and you keep floating up.
When you get hit by the shulker with its levitation powers the timer goes to zero but the effect does not stop and you keep floating up.
Cannot reproduce. Are you being constantly damaged in mid-air? If that's so, it is probably as a shulker bullet has hit you, further extending the duration of levitation.