Here goes a small review. :)
Main thoughts:
- The mechanic is interesting, forces you to think of how to position yourself and ‘build’ pathways.
- Did you make the fireball almost inescapable on purpose? This is interesting, as this means you have to deal with one more statue each time.
- The game is both visually nice, and playability is smooth, although not necessarily easy to spot exactly whether you will collide with a statue or not. This may have to do partially with your choice of a vegetation field on the ground, as seeing the feet/base is critical in isometric 3D. Maybe add a circle or disc at the base of the character and possibly statues?
- The game does well at its intention! Maybe some other side ideas would have helped give it more variety and interest over time.
- Extension idea: if you guide a fireball towards a statue, it destroys it.
Various remarks:
- Kind of a funny cartoony hovering effect before falling into the void. ;) No failure afterwards?
- You can still move once defeated.
The concept is interesting, and apart some minor technical gameplay details that could help, I think your main focus should be adding more variety and mechanics. (The statue-destroying fireballs is just one idea, there is surely a lot of possibilities!)