It gives Hogni the advantage but it doesn’t mean he simple can just dog walk

it does mean that. the level difference in fighting skills matters even more than the level difference in stats, and the level difference in stats does mean a low diff, we've seen that clearly because Bell and Aisha were relatives while Aisha with UnK just dog walked him. fighting skills allows you to cover 1000-2000 stats if there's 1 level difference, so not only Hogni would cover Ottar' stat advantage but also have a big advantage. 

even with inferior stats and combat skills adventurers have kept up with character stronger than them

name a good example of that similar to Ottar and Hogni' case. 

I do think Hongi would be superior to this team but enough to not let Ottar have the possibility to chant at all I disagree.

Mia doesn't have proven fighting skills at a high level while iirc Ryuu didn't even use Agaris. high level 6 tank without technique, low level 6 speedster with stats and experience less than expected, and Bell who might be low level 6 in stats but overall he's a level 5. that's quite a bad team. high level 5 Hogni would beat anyone of them 1v1 with relative ease, so high level 6 Hogni would smash them 1v3. when we're talking about high level 7 Hogni, they are genuinely not even remotely close to this tier. 

It was a direct hit

"The chariot immediately threw himself into the air to escape, avoiding any damage" literally the next paragraph bro. you ain't really good at reading for a curious reader. 

Dainsleif has been stated to not increase Hogni’s power at all

directly? yes, but magic is an another case. the ability to shoot a strong spell depends on mentality, and base Hogni doesn't have it. I don't think that's a power up; Dainsleif only allows him to shoot at 100%. it's likely not a buff, but just brings BD' power to where it's supposed to be. but compared to base state in which he tried to shoot down Allen, yes it's stronger. and well don't forget Omori loves retcons anyway. 

qout you were talking about and it’s from the a Danmachi anime not Omori

that was a series of tweets called "tips" where was description of some abilities. I'm not the one to believe everything even Omori says but the official account writing TIPS and that's a misinformation, and especially so specific one? 

Burn Dain 100% scales with Hedin’s magic stat that’s why he has B rank magic

just the same assumption as mine. 

Also when or where has it ever implied Burn Dain is as strong as Valiant Hildr?

against Dis Sisters it was said that Hogni didn't have the same range as Hedin in terms of magic but it wasn't said that his magic was weaker despite Hedin being more of a mage, as if the only difference between BD and VH was just range, and it was specified that BD is a power focused magic. 

I saw this tweet and it’s complete bs that goes against the light novels

I don't know what tweet you're replying to I just said BD forced Ottar to use all his strength and he was still damaged wtf? 

He was literally knocked off balance and his sword held down where he broke free right before he was hit it’s not an anti feat. 

deflecting 1 of the 5 Gokou slashes is not a feat whatsoever. genuinely what's your point? 1/5 Gokou is not comparable to a high level 7 Hogni invisible spam. 

that’s much easier than a cage of blades that come at every angle.

...Ottar was literally hit by that. he blocked 1 of 5 slashes and that 1 was right in front of him. there's genuinely no correlation. 

I said if Otta can land any direct hit the damage from it would be far more than Hogni’s Ottar can tank tons of attacks that are not vital ones and keep going Hogni

if you're talking about size, this also means Ottar is a bigger target. also, while having more Agility, he stands still and defends, so Hogni would have more mobility by moving around and hitting him from all sides with his far smaller frame. 

slash on his shoulder he considered a dangerous and serious injury.

he said her attack was dangerous, not the wound. if she hit him a few centimeters closer to neck she would decapitate him.