Luck determines the quality of dropped magic items, and is thus very important.

Is it:
1/ The average Luck of Hero and DK...
2/ The highest Luck stat of the two...
3/ The Luck of whoever (Hero or DK) that triggers the drop...

... that is taken into account when checking the drop quality ?

"Gods don't like people not doing much work. People who aren't busy all the time might start to think." T P