I rarely come on Newgrounds, as I've grown bored of the front page games. Every time I came back here, I'd check up on the few subscriptions that I have (you included) and damn was I excited when I saw this game up! I immediately clicked it and started playing, and I enjoyed the whole playthrough (even though I didn't get all of the achievements and I didn't play new game+).
Only bug I encountered was the rogue fight, in which he slid out of the screen and I had to butterfly wing back to town. But that only happened once and didn't really ruin my experience.
There are quite a few texts that weren't translated into English, one instance that I can remember is something the high priest said when I beat 3 MVPs.
If there's anything that I would like to suggest, it would be changing the 'press any key' to proceed on dialogues to a specific key. I say this because I didn't even get to read the rank up messages as I accidentally skip them over by pressing arrow keys and the like.
Anyway, I love Ragnarok Online and Katawa Shoujo (didn't play much of Castlevania, but I don't dislike it) so I love all of your games! Thank you very much for this wonderful piece of work, you've made my day. It's quite a pity that this wonderful game got such low ratings and such little attention though...
I'll try to advertise this on some private RO server forum or something, maybe it'd get more attention.
Cheers!
P.S.: I'm looking forward to Ragnarok Eternal, too! But if that's not possible, it's okay :D