Daybit managed to do all 8 singularities and defeat Goetia, without summoning or using any servant. He summoned Tez later, after becoming Crypter. And while yes, Kirchtaria did do it like 7 more times for each member, he still had to summon Servants for it.

I mean we can also tell that Daybit summoned those Dark Star familiars to do that simulation but I think it was never mentioned he used them but it is possible he did. But still.

Also, if we count Servants for it too... Tez, despite being weaken due to having human body, is still hella OP. So yeah, Tez the Grand Assassin and Berserker, and a Ruler, wins against Caenis, even if her Poseidon Core activates, Im still not sure she could get past his Black Sun skill.

Also, if we talk about after Kircht became a divine being, I don't think it would help. Maybe a bit but still

Hasn't it been mentioned that they are more or less equal?