User blog comment:LittleBigEater/God Eater 2 Rage Burst Trophies/@comment-1419424-20150702215745/@comment-26066218-20150702223326

"Brief Rest" or "Moment of Rest", etc. probably meant when you select a ★ or a  ♦♦♦ support skill card during free missions (a special event will occur with that character) as far as I can remember. My memory might be off though....