Need help with boss health

Help Requests
1

i need help with a boss battle and need extra attacks and also health for the boss here is the game (go to lvl 5) Flowlab Game Creator - Rolly the bouncy ball

2

Hello again so for attacks you can use animations and you can use messages and use the same health but added for boss health and when you touch it then it sends a message to the boss to remove a heart.