Choose your dice

Youre at the casino and you play against your nemesis. You have 3 dices with you : a 6 sided dice, a 10 sided dice and a 20 sided dice. Your goal is to won the game against him (you can see health bars under you and him). One particular thing is that your enemy has weaknesses. Those numbers are indicated above him (theres 5 each turn, 3 repetitive pattern and the numbers are in an ascending order) and are yours to be discovered during the game. Each dice makes a certain number of damages : The 2...