Maxwell brought his attention away from his smog roots and the army they were building to pursue the underground invaders through the tunnel they had left behind and brought it back to the surface. When he did this, he noted several changes he hadn't seen before, such as the fact that the wall of smog that surrounded his small kingdom isn't as thick as it was before.

Though luckily the rivers of smog that came out of his eye sockets were already flowing at a much faster rate to fix that. But as Maxwell looked at the rivers, he noted they actually flowed much more quickly and were a lot bigger than before. So noticing the differences, he began to examine his two rivers of smog to be sure exactly what was going on with them.

As he examined the two separate rivers of smog, he noticed more differences than he had first glanced. Such as the fact one of the rivers of smog was raging wildly as it moved well, the other seemed to be much slower but to be of far more fluid nature than the other.

"Ahh, I think these are the two different types of smog." Maxwell said aloud in his weird necrotic link to his citizens, as he didn't have any vocal cords to speak. Now that he had an idea of what he was looking at, he quickly figured which smog river was which. As Maxwell figured the more violently flowing one was his new rage smog, the more liquid-like one was sad smog.

Which he supposed was good to know for later experiments. As he was thinking about what he could do with the new types of necrotic black smog, his new zombie commander Horter made his way over to him to get his attention. "Sorry to disturb you, sir, but you might want to see this." Horter said politely before directing several butterflies with strange purple and black wings to move some black grass aside to show what had been hiding behind it.

Which was a catapult made out of grass that he hadn't known was there. "Well, it appears I have to change my priorities for this next round of research." Maxwell said seeing the immediate and obvious gains that studying and then unlocking grass catapults would be. Meanwhile, Horter merely floated next to Maxwell, an incredible profile look on his face, which Maxwell told mostly by feeling more than by looking.

He did have a hard time telling what Horter was feeling from his face, as his face was two butterflies heads merged together. But anyway he had to move on from that line of thought and focused back on the grass catapult. He looked over the catapult with his ghostly senses from every angle until he was sure he had a good idea how it worked, then began reshaping the nearby black grass to copy the already-made grass catapult.

The first few attempts did not turn out well, nor did the attempts after that, but eventually Maxwell managed to replicate the grass catapult. Once he made his first actual copy of the grass catapult, to be sure he had gotten it down, he made a few more to be sure, creating a firing line of catapults a short distance from himself.

Though now that he had his line of catapults, he ran into his second problem: he had no ammunition for the catapults to fire besides a few pebbles, which he didn't think would be all that effective against whatever magic the green pixies threw at him next. Then it occurred to him that he had two new types of dark necrotic smog to test—why not see if they could enhance the new grass catapult design he had just gotten?

So he began to do just that, first enhancing one grass catapult with necrotic rage smog, then one other with necrotic sad smog. The results were rather interesting. As the two different types of smog filled and infused their specific grass catapult, they began to warp it. Though the two catapults were changed very differently from each other.

As one catapult became filled with rage smog, it became sharper, growing several blades of grass out of it, and the part that launched objects—the spoon-like part of the catapult—changed, becoming something very different. As the empty part of the catapult meant to launch things became filled with razor-sharp spikes clearly meant to mince anything in front of it.

While the catapult changed by rage smog clearly radiated an aura of blood thirsty from all of its changes, the changes done to the other catapult with the necrotic smog of sadness had caused something all together different. The most obvious change was that the catapult was now loaded with some type of smog venom.

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Not only was the catapult changed by the sad necrotic smog constantly filling the part that launched with necrotic venom to launch at enemies, but it also had this weird structural sadness to it. As several parts of the grass catapult visibly sagged as if depressed, but somehow the catapult wasn't undermined by this at all.

Seeing how well the smog had integrated into the grass catapults, Maxwell decided to try something and see if perhaps he could add other things to the grass catapult by having the necrotic smog integrate it into the design with its shifting capabilities. So Maxwell looked to Horter and asked. "Horter, would you mind gathering materials for me?" Maxwell asked politely, to which Horter nodded eagerly back before having his undead butterflies grab things Maxwell would miss with his undead sight.

Soon enough, Horter's undead butterflies had gathered a pile of pebbles and twigs for Maxwell to use. The reason the pebbles had been missed was easy enough, as they had never been alive, and being apart of the ground, they blended in when Maxwell looked at them with special ghost vision. The twigs he had missed because they were hidden underneath the patches of black grass he had. So with the new material to work with, he got to work.

He had Horter have some of his undead butterflies grab some of the twigs and pebbles and put them next to the two modified grass catapults. He then added more necrotic smog of anger and sadness to their respective catapults, and using that added smog, he had the tanks absorb the twigs and pebbles into themselves.

The modified grass catapults used the twigs to create a support structure and turned the pebbles into wheels so that the grass catapult could move on its own. Though with the added support from the twig frame, it freed up more of its grass structure to use for other things.

The grass catapult modified by the necrotic rage smog used its extra grass to create a series of grass spears around itself. While the catapult modified by necrotic sad smog is used, it's freed up grass structure for added protection, having the grass form a thin layer of extra armor. With the addition of adding twigs and pebbles to the grass catapults, the latest wave of experiments for creating tanks were done, and to confirm his results was the blue screen that appeared.

Through the experimentation of necrotic smog and the study of a grass vehicle design you have unlocked the following undead vehicles and building.

- grass catapult- a basic spring catapult made from grass typically used by the grass fairies

- rage smog grass catapult- a grass catapult modified with the power of necrotic rage smog making it far more lethal as well as blood thirsty

- sad smog grass catapult- a grass catapult modified with the power of necrotic sad smog making it more lethal as well as give an aura of crushing sadness

Building- catapult factory- a building made up of grass and twigs that intakes smog of rage and sadness. So long as it is kept fed it will continue to create smog catapults of rage and sadness.

Maxwell looked at the blue screen for a moment, taking in his new siege weaponry and his new building that could make it for him. Though as he did, he noticed he now had a name for the green pixies that had been invading his kingdom. "The grass pixies, hmm," Maxwell said to himself before his attention was brought elsewhere.

As it would turn out, giving a rage grasscat the ability to move may have been a bad idea, as they immediately began picking fights with everyone else, including each other. He was just about to order them to cease when Bunet returned. She had clearly come to get more hornets out of the undead hive but was happy to see her awake.

Maxwell was also happy to see her as well. "Bunet, take this rage grass catapult with you." Maxwell all but demanded Bunet, who immediately nodded her head yes before heading over to get fresh undead hornets out of the hive of the undead.

"To war bzzz for the bzzzz hive bzzzz!" Bunet shouted out, eager to get back into the fight, especially as she had been shown support by Maxwell handing over a war machine. Though as Maxwell watched her go through the wall of smog with his rage catapult following behind through the hole in the wall the grass pixies had created.

"I wonder when I'll be able to build the catapult factory." Maxwell said to himself, knowing he didn't have the room for the rather large building as his territory had only expanded another foot since he had activated the grow your lawn policy. Though as he thought about it, he wondered if his latest increase in necrotic power would cause an increase in that growth rate.

Maxwell thoughts swirled as he thought of the future to come. The battle of the present in the grass just outside his smog wells was only intensifying. Though he was unaware of that, he would be told later how well his rage grass catapult performed.