First, everyone take a deep breath before posting. Do not get snippy or worse with each other, thanks.
Second, I would allow a caster to use it to carry him only while concentrating. As soon as he stops concentrating, the disc would slide from beneath him and move to the default position.
Second, I would allow a caster to use it to carry him only while concentrating. As soon as he stops concentrating, the disc would slide from beneath him and move to the default position.