"brutal of" is not a correct phrase in written English.
It is not clear what you are trying to say with this phrase, so it cannot be used in written English.
Rog was the most brutal of the man-bears.
Nigeria has suffered from the most brutal of Africa's rulers.
This was notably so in Western Australia, where the most brutal of direct clashes continued.
Mr. Hekmatyar is widely viewed as one of the most brutal of the former resistance leaders.
Hezb-i-Islami's leader, Gulbuddin Hekmatyar, was one of the most brutal of Afghan warlords.
This is not, of course, the most brutal of George's gambits.
This was supremely true in Nicolae Ceausescu's Romania, the most brutal of all these systems.
Such a process would be brutal, of course, but it may be the reality of the political standoff.
Football is the most brutal of American pastimes; if any group deserves maximum protection, football players do.
"But they didn't take into account that the workers' experience of the world was the most brutal of all.
RYBKHOZ, Russia — This is a country that knows how to handle the cold, swaggering about during the most brutal of winters.
