The Tower of Druaga (MSX)

The Tower of Druaga is an action role-playing game developed and published in Japan by Namco.
The release date of the MSX version is October 27, 1986.
The patch that rewrites the graphic created by b.p.s. is applied.

b.p.s.'s blog article
http://bps-basic.blogspot.com/2016/10/msx.html