My reasons you may ask? 1. She didn't really look like a demon till now. Making it hard to pass her off as one. A problems the plagues my other anthro demons. But they won't getting changed over it. 2. F*%$ drawing beaks!!! >_< (seriously though the beak thing wasn't going to work out due to them being too stiff compared to lips when it comes to expression. Well without defying biology even more.) 3. This was originally suppose to be her ancient/one-winged-angel (trope) form. But that just sounded way too silly so... I just made it her default look. 4. She just seems more charismatic this way. which is useful considering she's suppose to be a Knight Templar/Anti-Villain Extremist (tropes) with good publicity. 5. I pretty much rewrote her bio, and scrapped a lot of old plot points and story arcs to make the games more sense-able, less fanfic silly, and actually possible to make on my low budget. Making a redesign necessary. Though her role as an anti-villain and being a former Sage is still being kept.
There are more reasons behind this decision but I'd basically be writing out a full several pages listing and explaining them all. So I'm just going to keep it brief.