The brave fight the dragon 7 is really mysterious. How to get armor?

Satan's armor, a monster from another world, was taken to the immigrant town and used it to take the lead in finding the slate. After self-control, start to brush the BOSS, and the chance of dropping is low.

In order to be more intuitive, draw lessons from related monster illustrations:

Small ones can't be dropped directly. You have to knock them down as a slate BOSS to have a chance to drop them.