An updated version of the demo just went up! You should be able to move your save data over by going into wherever you extracted it to, Game, www, then copy the save folder and place it into the same place in the new one. This update fixes a bug (so far only 1 has been reported to me), as well as the following:
Healing Item Rebalancing
Damage Item Rebalancing
Spells tweaked: Spells now generate 5TP, down from 10. All spells that currently cost TP have had their costs adjusted to compensate. In this regard, battles you did before compared to those you do now should still feel the same, this change was made simply because Wrath of the Time Goddess is just too damn powerful to be useable after 9 turns of TP build up.
Arcane Flash tweaked: Now has a unique effect that makes it generate more TP than the other spells.
Searing Light tweaked: Now has a slightly longer casting time and deals less damage up front. Despite costing more MP, it was still doing way more damage than the other 2 spells at that level. Damage-over-time component remains unchanged.
Rewind Self tweaked: If Rewind Self causes any overhealing (if it is still healing once you reach max HP), any additional overhealing is converted into an absorption shield.
An additional ability (Wrath of the Time Goddess) is unlocked for Ellaria to use against the demo-only boss. At this time, this is planned to be Ellaria's final spell learned. Also, all abilities unlocked for this fight are listed just before the fight begins.
I uploaded the new version to overwrite the existing one, so the download link should be the same as the previous one was, but just in case, here it is: http://www.mediafire.com/file/6a5y0dmi4j6088b/Power+of+the+Arcane+Demo+1.rar/file