| Clue | Source | Date |
|---|---|---|
| Driving force | USA Today | 05 May 2019 |
| Relations supporting sentence is an essential factor | The Telegraph Cryptic | 27 Mar 2019 |
| Vital factor | Premier Sunday | 16 Sep 2018 |
| Vital element of biography refers to gory part of 5 down? | Irish Times Crosaire | 27 Jul 2017 |
| Tale involving female initiate's source of strength | The Telegraph Toughie | 04 Jan 2017 |
| Essence | ||
| Vital element to old American magazine runs in one's veins | Irish Times Crosaire | 06 Mar 2015 |
| Vital element |