Of course, they should be only four to five peak fifth form. Phiroth was definitely one of them. The bosses of the Three Departments were also definitely in the peak realm. Also the Director of the Parliament, who might be still alive. In the original history, the old man had been killed by Hellgate underground.
Once he thought of Hellgate, Garen shuddered. Looking at the time, it was about time for Hellgate's birth.
As he was busy battling the Cthulhu King and learning his martial arts, he actually forgot such a big matter. After all, fighting with an elite on the Cthulhu King's level requires complete concentration. Otherwise, once he slipped up, he would be completely put in a tough spot. No matter how many lives he had, the outcome was death.