Power cosmic and he’s throwing planets around apparently fighting Corvus. I haven’t read it personally but have seen the scans.
Honestly anything that’s not piercing related outside bullets.
If we look at Ironman’s consistent use of attacks it’s typically repulsors or sonics.
In regards to sonics he typically takes that kind of stuff from rogues like Black Manta and Scavenger. But going off something off Ironman’s pay grade in my opinion he took a sonic attack along with the league from Asmodel which was stated able to destroy matter itself and having destroyed the walls of Jericho
She’s typically a team buster who clashes with Etrigan and the Justice League Dark.
Or I could see Aquaman tanking it since he’s taken energy attacks from characters like Starro, Brutus, TK blast from Martian Manhunter and even weakened blast from Lex Luthor’s armored suit.
If we go well Ironman could always use heat based attacks. Aquaman isn’t Namor. Majority of the time Aquaman outright ignores or tolerates extreme heats. Temperature resistance is one of his powers
He’s been to hell, been hit with hellfire, been to the earth’s core, tanked attacks of plasma and lightning. It’s not something that’s really used to weaken him in modern times.
I don't think he has his satellite network as standard equipment. The neutral arena where the fight takes place doesn't have satellites overhead, any more than Arthur has Atlantis at his beck and call.
Which Armor is IM using here?
I mean excluding current amp there are a lot of versions of his armor that don't dish out anymore damage than say Black Manta, Gamesman or Gunfire that Arthur has tanked. Then there versions of Tony's armor that do a lot more damage.