Not sure, looking at the list I nearly said a shit ton could, but Ares stood up to Hercules and did extremely well. The problem with gauging that particular strength feat by Sentry, is that the Sentry's power levels are dynamic. Who's to say that he couldn't rip every mid Herald in half at certain power levels?
I mean, exactly how strong did Bob imagine the Sentry was at that exact moment.
The answer isn't as clean cut as you may believe if you think about it long enough.
Assuming it has to be one attempt, no? So somebody like Gladiator doesn't just keep pounding on him for half an hour and then then uses his HV for another 15 to cut him in half.
I think Mongul, Apocalypse, Black Adam [and by extension CA], Cable, Captain Atom, Abra Kadabra, Black Bolt, etc. There's a lot of them.
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For the sake of the over-the-top, tongue-in-cheek argument: Let's compare it to an adult man punching a young boy. The strength (power) difference is vast. One punch is enough and the kid is a goner. But can that man rip the boy in half? No. That would require an extreme amount of additional strength (power).
Back in the middle ages they'd strap the limbs of a person to four horses and have the horses pull the person apart limb by limb. Even that supposedly sometimes failed and they had to cut the person apart with knives. That should go on to show how durable the humanoid body can be.
I kinda doubt that the power level difference between mid heralds and Ares is big to a point, where they can just "casually" rip him apart in one try. And I'm writing "casually" in quotation marks, because there was a WHAT IF, where it was theorized that Sentry ripping Ares apart left even him exhausted.
I kinda don't see someone like Thor being able to rip Ares apart. I just don't. And that's not a knock on Thor. Can Thor one-shot Ares? Yes. Can he physically overpower Ares? Yes, Ares does not have the strength levels of a high herald. But can he tear him in half? I'm not seeing it. And I'm especially not seeing mid heralds doing it either. The better questions would have been, which high herald could potentially pull it off, but even there I'd have my doubts. Sentry on the other hand is on another level.
So you know exactly how strong the Sentry was at that time? His power levels fluctuate, so no, my line of reasoning isn't faulty. Ares was perfectly able to contend with Hercules, which threw the official handbook rating on him out of the window. That showing alone placed him squarely within the Class 100 club. So again, exactly how strong was the Sentry at that particular time? If he were able to roll on Ares that easily, he could've done thesame to Hercules as well, and their peers. Take a long look at the physical peers of Hercules.
Not powerful enough? Terrax is by no means a weakling, and look at how easily the Sentry dealt with him. Answering this question is like answering what your blood pressure will be in a month from today. You can't because it fluctuates.
I don't even think that we have to theorize about at which levels the Sentry was operating there.
The thread makes it sound as if Ares is weak and as if mid heralds could potentially do something the Sentry has done. Ares isn't weak. He just encountered a force of nature.
Going by the same line of thinking we could create a thread and ask which mid herald could replicate killing a Celestial. None of them. It takes way more than mid herald levels to come close to killing a Celestial. And in my personal opinion it also takes way more than mid herald levels to rip someone like Ares in half. (Just keep in mind that defeating Ares and ripping Ares in half are two entirely different things.)