Yes you found everything. Placing the gem on the pedestal is the end for this version. That entrance will eventually lead into a dungeon in a distant update.
Running is most likely not going to happen per se. But I've added a movement speed upgrade for the player to find in the current build on Patreon.
Combat will likely remain an important part of the game. While it will remain simple I'd like to add more tools and special items to increase the characters abilities. Hopefully in the end making it feel less awkward to play.
Currently there is no enf content for the tavern section. I've had some ideas but not sure if any will make it in.
Thanks for playing and the feedback.