I considered to make it time fixed.
All 3 days the die is reduced by one.
So a D12 would be consumed in 12 days
D10 in 9 days
D8 in 6 days
D6 in 3 days
Thank you for the replyp.42
"<> Then you grab a number of six-sided dice equal to your skill level plus your current score in the attribute that is connected to that skill. <>"