Thinking about undead minions, I recalled something quite important when it comes to regular skeletons. They're fairly weak to blunt attacks.

The effectiveness of stabbing and slashing was heavily diminished, since there was a lack of tissue to cut, but maces, hammers and even axes had increased effectiveness.

Such a obvious weakness should be covered. The skelegrasses didn't have this issue, partly because the roots of the tentaclegrass would keep the bones together, but also because the fact it was actually a skeleton was being hidden by that same grass.

The same approach wouldn't work on my third floor, because of the poisonous air and the lack of camouflage while also if someone even was able to get to the third floor, they had learned to deal with them.

Pondering over how to negate the blunt weakness, I recalled slimes. They had a pretty high resistance to physical attacks, while it was lower to stabbing than the rest, due to their nucleus.

Their goo itself would stop all slashes and smashes, while a stab could penetrate it, but not reach that far. Their weakness was mostly in magic which could easily obliterate to goo and destroy the core, or beings strong enough to force their weapon on.

Now, normally that last wasn't much of a challenge, since most slimes were low leveled, being the weak creatures they were, but in a protected environment or just with a chance to protect their nuclei they could grow strong.

By combining a slime and a skeleton, I would be able to cover up the weakness of both, the remaining question was, what would the base be.

I decided it to be the skeleton, due to the floor it would be on, but also because of the movement benefits it had compared to the slime and a slime would be killed once it's core was broken. A skeleton was only actually killed once it's magic connection was gone, even when it was broken.

It would normally break the connection, getting crushed, but placed inside a slime, it would be kept together while the slime could provide naturally generated mana to keep the magic connection intact.

The nuclei would be placed in the skull, which would be slightly thickened to prevent it being crushed easily. There would also be some goo in the skull, acting as brain fluid for protection with the nucleus as brain, similar to what a human has, to prevent rocking it.

It being placed in the skull would also mean it wasn't a clear nor easy target, which also meant that magic's normal effectiveness against slimes was greatly reduced. If you can't destroy the core, it will continue existing.

As a benefit, the slime was corrosive to anything it didn't recognise as its own body or as 'friendly', such as the ground it needed to walk on. This would make it even more difficult to fight the creature, since it could, and most likely would, accidently sling slime around while swinging it's weapon.

This was the second creature is my skinskeleton line, and I named it slimeleton, by lack of a better name. 

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While I used one of the two skeletons available for this experimental creature, I was wondering how it come I hadn't heard anything yet from those related to the adventures.

It was clear that both parties had some sort of connection to each other, most likely belonging to the guild, therefore it was unusual that there had been nothing for the last couple days.

Possibly they thought it just took longer to finish, but come on, I killed them, they won't return. It is weird that they haven't considered this possibility and thus deemed me as weak.

I shall teach them the cost of underestimating me. Sure, normally I would like it, but who likes it to be mistaken for a fly when you're a goddamn tiger for fucks sake.

It's not even in the same class, and that's what bothers me the most, they will pay, with their blood of course.

Meanwhile, there has been an interesting change in the bats on the first floor. They were sticking to the goblin sharks, almost as if they were remora. Basically this divided the bats on the first floor into two types, the remora type and the flying type.

The remora bats still could fly, they just rather stick to the shark and move around like this, picking up the remains of the food. Due to it being a commensal relationship, it wasn't like the goblin sharks didn't benefit.

Their natural ability to sense minute changes in electrical fields only applied to a relatively small radius, while the bats had a rather large range, therefore acting as scouts.

Relatively small still meant a couple metres all around them, after that it became less accurate the more distance it was.

The remora bat colony was quite small compared to the flying one, because the amount of bats on a shark was limited, not by space but by the amount of leftovers.

This caused all goblin sharks to have between five and fifteen bats on them.

The Overlord didn't have any bats on it, I suspected it had to do with them being far too weak to gain some sort of consent and ending up as food instead.

I had also gained an idea for my fourth floor, but I would put that on hold until my first three floors would be completely finished.

Since I deemed the first floor done with the introduction of the goblin sharks, there were only the second and third floor left, with the third floor actually being the easiest one to finish.

Half a week passed again and this time around I had visitors once more. It had been enough time to finish my third floor, doubling the length of the corridor while filling it with crooks, paths and more structures.

The air had fully become lethal and the magic formation to turn all the fallen in undead was set up as well. The only exception to it was necromancers and priests, they would be exempt from turning undead by the automated process.

Both had their own powers over the undead and specializing and refining them myself would turn them much more useful.

Anything else would turn into an undead, with skeleton as the base. They would first be zombified skeletons, which had two benefits.

First was the infection benefit, biting living people would infect them, which would slowly turn them undead, firstly by stopping the body processes.

This was useful since an infection could turn a living person in an undead admits their ranks, while skipping the actually being dead step. It was a slow process however, taking up half a day up to several, but why would it be a bad thing to have.

The second benefit was that the skeletons were basically meat skeletons, part of the skinskeleton family. It acted as an armour against blunt attacks. It would still rot, making it less effective as armour but more to being poisonous.

Meat skeletons would rot less quickly and be more agile than a zombified skeleton, which had no control over the flesh surrounding itself, literally dragging dead weight around, but both were inferior to slimeleton in armour qualities.

The second floor now had a couple of trees and greater flowers. The flowers were actually both smaller and bigger versions of the venus flytrap. The smaller, more ordinary ones were basically the same as one could find in some regions. Along with it was a family member more accustomed to swamp like areas, placed near the lake.

The bigger version was up to three feet high and the clamping leaves were disguised as its flowers, making it all the more beautiful yet deadly as well. The clamp was a tad over a feet big, with enough speed to shut itself within a second after something touched it.

The stems were reinforced as if they were bark, to prevent them from being cut down instantly.

They weren't the plants most suited for combat or annihilation, but they did to their name just. It was a trap.

The trees were mostly ordinary trees, elk, oak, pine, just nothing special. The only different tree was related to the treants, but yet not one.

It couldn't quite be called sentient but it did have some sort of awareness. Placed in the middle of seven surrounding flytraps, it would protect them instinctively as they belong to its 'domain'.

Nothing better to see someone trying to cut off the trap and then seeing the realisation dawn upon him at the same time a branch dawns upon him, smashing his skull.

It had cost me quite some mana to transform an oak tree into this trent, but it would be a surprise, since it was unlike the other creatures.

With all this, I think I'm ready for these new arrivals.