I saw the 2 oavs of Lost Canvas in RAW, and they are very good, with nice animation and very beautiful landscapes. I don't like the opening song but images are cool! I love the ending song but too bad there is only 1 image...
Dokho seems a bit too old, i prefer Teshirogi design. The soundtrack of Lost Canvas is not bad but not as good as the original.
For your spoiler about Lost Canvas:
Spoiler:
For pegasus with god cloth, it's a twinkle about the previous holy war. We can saw Tenma "wears" this cloth one time in last chapter (against a dream god).
About Shaka, it's Asmita but he resembles a lot to him
.
The guy with his glasses is Hypnos.
And the best of the lost canvas oav:
Becareful to your eyes:
Huge boobs?
Yuzuriha!!