The sword is "Dreadful Flamesword". If you have third percy sword you should use it. Killing only C.noa is very difficult, so I'm sorry but I can't answer your request.
If you are trying for this raid for the first time, I recommend the doctor setup. I think that lumberjack setup is a little bit difficult to manage HP and cancel omen. I have uploaded the doctor setup video so you should check it out👍
You have to move carefully of 15 million ability damage omen and 60 hit omen. 20 million charge attack damage omen can't be canceled so use Percival 2. I'm sorry if my English is too bad to understand.