Rui's concerns turned out to be true, it did take far too much time for him to take down the spider. He knew it would given the fact that tier four Transverse Resonance did not so much as cause the Spider to bruise.
This highlighted the difference between him and the spider.
('Fitting for the sole monster of a floor,') Rui mused.
Generally, the more monsters a floor had, the weaker each monster was individual. Floors with a lesser number of monsters tended to have monsters that were individually stronger.
This was almost certainly the case with the floor with the Earthen Basilisk. Just purely off of the size of the creature, Rui knew that its physicality was quasi-Senior level, though its actual threat level was probably at the very peak of the Squire Realm due to the fact that it was a beast with no techniques and tactical capabilities.