Oh man, I do love me some good old Newgrounds RPGs. They were my jam back in the day. This was a fun little game, and I can tell you certainly plan to do more with it. I won't pretend to know what's possible with ActionScript3, so all I can really do is offer some suggestions I have.
-The black text on a blue background is a little hard to read since their color shades are so similar. Might want to consider making it easier to read.
-All of the Stamina moves look good, but ultimately do the same amount of damage regardless of which move, making them feel less enticing as special moves. For the next episode, you may want to try making some of the stamina moves cost more, with the trade-off being higher damaging moves.
-Maybe consider giving the moves small summaries describing what they do? Some of the move names in this and the last episode didn't clearly convey what the move would exactly do.

Again, I'm not an expert on ActionScript3, so if it ain't capable of doing these changes, then oh well. These games were pretty nice to play through. Hope to see more!