HoV Mythic+ 4 Kings Treated as Friendly

Warcraft Logs
1

Warcraftlogs seems to treat the 4 kings in Halls of Valor as friendlies when viewing damage taken (also shown as a red spike on the graph under summary).
https://www.warcraftlogs.com/reports/hawkG7xLgvX3HVMF#fight=1&type=damage-taken