Originally Posted by
Helel
As far as I know, it has to be MDB, otherwise QD would not be affected. It could be MDT and MDB combined, but I highly doubt that, as Requiescat is not affected. It literally says in the chat log that the mob gains magic def. boost as well, not shell, or whatever bubble curtain normally says. Scissor guard also says "protect" and not defense boost.
Regardless, I think we can at least take away from this that formless is affected by MDB in some way, and MDT I assume, if the matama is any indication.