[gojira77]

I had the first mini-comic as a kid, since I got into MOTU before the cartoon premiered, and I've even had the opportunity to read it in both English and German. I think the connection between the Sorceress and Grayskull were implied even then, since both she and the combined Power Sword glowed green like the castle. I learned about He-Ro from a message board somewhere, possibly the 'Org.