Talk:Sortie/@comment-2001:14BA:22F4:8C00:81CC:1AE9:7F41:138B-20180916183026/@comment-205.175.106.203-20181214013818

Every 100 sorties you do you have about a 16% chance of getting a legendary core, so only 1500 hours is not bad at all, unless you don't do much other than sorties.