If Warren actually has the inferno curse, I’d give it to warren. He’s likely older and more experienced, on top of already having a more powerful curse. If warren just has inferno magic though, I’d be more inclined to give it to trigno
Probably Wotan. From the way Warren describes him, we can expect him to be extremely powerful, and I expect him to be the wielder of a really strong curse as well. But it’s up in the air until we learn more about him.
In terms of just raw heat, inferno wins. Natural magma at its hottest typically reaches about 1300°, the hottest fire ever recorded is about 3x that at 4990°. Natural blue flames are typically about 3000° but since inferno is an extremely powerful version of fire that embodies the concept of its heat it probably surpasses that by a significant amount (which is why I think it’d be closer to the hottest fire ever)
Grand fire curses are basically superior to almost every curse in terms of raw stats, it probably varies case by case but I’d put my money on a GFC more often than not
As for Warren, the Inferno Curse user(at least we believe so) would come out on top - unless he’s inexperienced with it, but seeing how old he is and what he’s defending, I’m sure he has more than enough years to be well-versed in his curse, even considering Trigno’s experiences.
Trigno vs Argos = Trigno beyond neg diff (no magic or any gifts rip bozo)
Trigno vs Iris = Trigno no diff
6 Trigno vs MC = not enough info but Trigno no diff
Trigno vs Morden = Morden is inexperienced and sort of depressed, Trigno no-low diff.
Trigno vs Julian = Trigno Solid low-mid diff
Trigno vs Calvus = Trigno no diff (bro does not know how to fight as a savant)
10 Trigno vs Kai and Merlot = Trigno no-low diff
Trigno vs Warren = It depends but Trigno still prevails, remember that he pursued a man with the same strength as he (rupin) and managed to always fend him off in a way, plus Rupin is blood thristy and hungry for combat unlike Trigno so safe to say Trigno wins against Warren no doubt could be high-extreme diff or just high diff.
EDIT: Ahhh forgot to mention he did sometimes lost to rupin and escaped, so theres that but he faced hardships and made friends and went on an adventure changed himself for the better yada yada Trigno still wins as a power of a curse connects with the user’s inner self.
Well, Warren also says that he can battle with Wotan, maybe not kill him, but atleast stop him from starting the war, but he cannot do that cuz of political reasons. If Warren lose to Trigno, then Trigno will probably win Wotan.
So I would put Wotan and Warren in same strenght category.
Trigno is seems to be very strong, but The War Seas and Seven Seas got different powers, maybe its just visual, but I think people from The War Seas are born to fight according to frequent wars.
I guess even AO MC will be able to survive against Trigno after 2nd awakening (250 lvl).
(According to AA and Trigno’s mini-boss role)
Trigno literally solos most of these guys. The only ones he’ll most likely lose against is Warren and Wotan, and we don’t exactly know the full extent of their strength.