I was about to reply to this thread, but given that its been 2 years, you've already found it or you've given up.
Still, for those who are still looking, this is similar to diablo: Magic and Slash - Minarai Boukensha Lille no H na Daibouken | vndb
diablo was such a fun game, and later on I had a ton of fun replaying it, especially with mods