Time your clicks correctly to grow!

Instructions:
Click on the red gem at the right time to hit your opponent until its life reaches 0. Then you can eat your opponent to grow bigger!!

Detailed rules:
- Each hit takes 1 hp from enemy.
- Each critical takes 2 hp from enemy.
- Each miss takes 1 hp from you.
- Each turn afk takes 1 hp from you.
- You have one free attack per combat.
- When enemy HP becomes 2 or less, he gets stunned.
- ADITIONAL NOTE: Enemy attacks each turn, but the first one, and the turn he turns 2 HP or less.

I made the game in 8 hours from scratch so sorry about no music :/