Days in a week
Luck
The number eight comes after the number seven. the number scale that we use today was orginally invented by the indians. numbers are used to keep track of how many of something you have or time.
Well, days are grouped in sevens. We call them weeks.
Dwarfs Days of the Week
When going in numerical order, after 7 is 8.
8 or VIII 8 or VIII