They must be spawned, and with physical skills as well as abilities the stronger and more skilled the opponent will be. Especially if he was able to break through the fire gate, surely what he faced was powerful and skilled fighters the best choice of the legendary Devil, not to mention if the barriers later were from the Devils and Jin as well, besides the humans who were slaves to the Devil, imagine.
How exhausting it was for Magshesis to be alone, while his opponents alternated and when it came to the point of peak strength and fatigue or the point of exhaustion. Only then will he meet the legendary Devil for the core battle and ultimate goal. Did he not fall? Fighting the Devil with only the remaining energy from the previous fight with the Devil's subordinates who were assigned to block his journey.
