Aaaah... well despite its weird and highly unpleasant appearance, it certainly displays a considerable strength that you would come to expect from a boss monster.
Naturally, its legs and right claw have supernatural strength. The mouth-like part contains a red liquid with a powerful dissolving ability, as well as octopus ink that it can release which can cause several annoying negative effects that includes 【Blindness】, 【Confusion】 and 【Petrification】, among other effects. Beyond that, I'd have to say the tentacles are the most troublesome out of all of them though.
A powerful paralytic poison is secreted from the tentacles on its back.
Most people are taken out immediately from just a single sting from its tentacles. After that, they are either quickly crushed by its eight legs, or finely chopped up by its claw before they're eaten by the mouth on its abdomen. This is the standard pattern that it uses to kill adventurers.
In addition to all of that, it is able to manipulate the surrounding water, making it necessary to develop countermeasures before challenging it.
By the way, it appears by either jumping out from within the rimstone pool, or falling out from a hole in the center of the ceiling. It varies from time to time.
The way it showed up this time was by jumping out of the rimstone pool.
I ended up challenging the 【High Octorp】 on my own.
The abilities I would be able to use were pretty limited because the Tomboy Princess's group was with us. However, since I was able to use the type of abilities that strengthened my body without them being able to understand what I had done just by watching me, the High Octorp was dead in less than three minutes.
Even though I was able to smash its shell into pieces relatively easily, I ended up having a small amount of trouble because of its very soft body that probably had 【Physical Attack Resistance】. Mmm, perhaps it was something even better.
I ended up having to use my halberd to cut off its legs several times, but the legs kept growing back instantly. Simply put, all of those resistances and its resilience was not to be taken lightly.
When the 【High Octorp】 received a large amount of damage that exceeded its great defensive capabilities, it would prey on the creatures within the rimstone pool in order to recover. This ended up prolonging the fight to some extent.
So I didn't have to deal with it recovering, I couldn't let it eat anymore of the fish or crabs in the pool. However, I didn't think it would eat its own legs that I had cut off in order to recover.
I couldn't complain though since I was snacking on them as I was fighting as well.
【"Frontier Psalms," Conditions to Clear 【Vesper Octorp】 Achieved: 【Solo Kill】 【Time Limit】 【Parts Destruction】】 【Achiever Yatendouji is Assigned Rare Skill 【One Who Captures and Devours】】 【Achiever Yatendouji is Assigned Rare Skill 【Vesper Slayer】】 【Achiever Yatendouji is Awarded 【Ancient】 Class Magical Item 【Vesper's Outer Shell: Octorp】】 【Achiever Yatendouji is Awarded 【Ordeal Breakthrough Celebratory Item [First Attempt Restriction Deluxe Edition]】】
Well, it would seem that I cleared another part of the Frontier Psalms as well.
When I checked it, I determined that there are around six or seven clear conditions for each of the Frontier Psalms. It would appear that they can be completed if at least three conditions have been cleared.
The conditions usually contain 【Solo Kill】, so the probability of those who challenge dungeons solo have a higher chance of completing it than those that do it in a party. Comparatively, only the unusual conditions appear to change from Psalm to Psalm.