That's... actually more clear evidence than the term "rivalled". It is saying that he stood up to the demon king, as in directly. That's actually even more blatant than saying he rivalled him.
I know, that's why I brought it up. The problem still lies on what king Abigail fought.
Griffon fought DMC1 Dante three times. He doesn't scale to DMC1 Dante. DMC2 Dante also stomped Argosax, so unless we're saying Bolverk is above Argosax, his fighting Dante means nothing.
BIG difference between DMC 1 and DMC 2 personalities.
DMC2 Dante didn't let anyone or anything survive or get away (besides Arius for the plot), the fact that Bolverk fought him and managed to run away shows how strong the demon god is. As for him scaling above Argosax... that was actually debated a long time back but we never reached a consensus.
That's technology. Names are not the same as technology. We know that demonic power allows for far greater technology than real life, but that's unknown to most humans precisely so it could be our world, but no such evidence exists that human history as known by most is vastly different or that human names throughout history are vastly different.
It was an example of how things that are "modern" were already a thing way back in the past of DMC.
We can also go with PoC for this as Mathilda sealed a demons over 2k years ago and the name Mathilda (from a quick google search) didn't pop up until the 11 century.
It doesn't change what I said. "The" demon king means he's talking about a specific demon, not demon kings in general.
If you look at the blog that is used for scaling Abigail it actually says demon kings in general but alas spanish should be more precise here.
They are supposed to be more powerful than all other demons, not that 10% of them are as strong or stronger than them like you said with Abigail.
Except, you know, some demons don't care about the crown or the throne so we can't realistically place them in the same category.
Both Mundus and Argosax were equals and yet Mundus was considered King/Emperor while Argosax took the throne at some point after that.
That's not how video game powerscaling works. In this logic most of the bosses of the DMC games scale to Dante.
I guess you haven't played DMC2. Short explanation, Dante is the most serious he has ever been and basically went around killing everything (except Arius for very contrived Plot reasons) and the fact that Bolverk not only fought him once and managed to run away shows he is a cut above the rest.
If you bring the whole Argosax thing like Random did, there were actually talks about him scaling above Argosax but we never reached a consensus and the topic was forgotten.
Fiction in general has different physics from ours but that doesn't stop us from applying real world physics to these fictional verses, especially for calcs. The fact that humans built a giant tower that travels through dimensions doesn't change the fact that the history of DMC's Human World is the same as ours in almost every way. There is even no connection between the history of the origins/etymology of names and the history of technological advancement (especially since the people who build portals for demons are probably isolated cases and do not affect the technological advancement of DMC's Human World society in general).
We are talking a very large group of people who worshipped evil to the point they created this tower, said tower contains a ton of knowledge and all of this was done before Mundus came into the picture. Using PoC here, the book of demons was actually found inside the temen-ni-gru library (the one you fight Lady in) and the book of demons was created by Matriarch Mathilda from a demon she sealed.
Mathilda as a name wasn't registered up until the 11 century (could be a bit wrong but it's irrelevant to the point) while the Matriarch existed like 1 thousand years prior to that.
Names in the DMC world existing in different eras compared to our real world is a thing and most likely the same with Allan.