A great start! Congratulate them on keeping the scope small. That's important when starting out. Leaves room to build on later as they're learning.

Recommendations: - It's hard to tell when health is altered. Perhaps add a temporary color change to the health bar to inform players of the change. Or start to build in animated health that reduces the red fill with the number. - Some abilities require charge, but I couldn't find where that was tracked. Another counter could be added to show this number and any increase. - Add score for the battle. It could track correct answers, or hits, or anything that might be fun. Later versions could include a score/tracker for total monsters fought.