There are more than one band under this name:
These are photos from concerts where Harbinger played, so they may be of other bands that played the concert as well.
Dark Reign Festival Jun 1, 2024 Birkenhead, England, United Kingdom Uploaded by Jamie 🌱
Signs Of The Swarm / Harbinger / Mental Cruelty Sep 2, 2023 Southampton, England, United Kingdom Uploaded by Dan Delaney
Rivers of Nihil / Fallujah / Inferi / Harbinger / Allegaeon Nov 25, 2022 Nijmegen, Gelderland, Netherlands Uploaded by Ilseoceansoul
Decapitated / Signs Of The Swarm / Harbinger / Embodiment Apr 3, 2022 Bristol, England, United Kingdom Uploaded by Josh King
Decapitated / Signs Of The Swarm / Harbinger Mar 26, 2022 London, England, United Kingdom Uploaded by Declan Singh
Bloodstock Open Air 2019 Aug 8 - 11, 2019 Walton-on-Trent, UK Uploaded by Willyporter
Ingested / Osiah / Harbinger / Diabolus / To Obey a Tyrant Apr 8, 2018 Bournemouth, England, United Kingdom Uploaded by Dan Delaney
Loathe / Death Remains / Our Hollow, Our Home / Harbinger / Jonestown May 11, 2017 London, England, United Kingdom Uploaded by Yan
With Life In Mind / Like Vegas / Maris Lane / My Private War / Harbinger Dec 20, 2013 Wilmington, Delaware, United States Uploaded by Agnes Owusu