This is the clearest anchor. Darksiders is a critically acclaimed action-adventure game franchise by THQ Nordic and Gunfire Games, focusing on the Four Horsemen of the Apocalypse: War, Death, Fury, and Strife. Players of these games are often called "Darksiders." However, the plural "Darksiders" suggests community. This isn't just a lone wolf; this is someone who leads, belongs to, or represents a group of players who embrace the themes of anti-heroism, apocalyptic struggle, and ruthless efficiency.
"Aka Mantodarksiders" appears to be a pseudonymous handle chosen for its aesthetic similarity to Japanese horror and video game culture. Without specific details regarding this user's actions (e.g., a specific chat log, server incident, or violation), they are classified as a standard user utilizing a horror-themed alias. aka mantodarksiders