Thank you for playing our game and giving us constructive criticism! We struggled with this theme and it took us 10 hours to even come up with this, so we are aware the dice mechanic isn't that strong.
In my opinion, dice throwing at least gives the player time to rest in the later game where the upgrades aren't that frequent, and it also depicts what ability the player gets and lets him read a bit about how it works if that makes sense.
We hope you enjoyed playing the game nevertheless!