I always felt sorry that Assassin Killer outfit, the color of Knights Temple with a White background and Red Cross were not even in AC Rogue mode. So I made it myself...
Templar Order Outfits at Assassins Creed: Rogue Nexus - Mods and community
Assassin's Creed Rogue R - Outfits: Altair, Assassin Killer, Ezio, Connor, Ed Kenway, Bayek (2018) - YouTube