Producing pointless war cries just as you are about to attack as the gorilla had done, was the height of stupidity as far as Greg was concerned. If you were going to tell your enemy that you were about to attack, then you might as well go ahead and tell them the exact move you also intend to execute as well. Olivia had also talked to him about this several times. This was, after all, one of the aspects of her theory of combat. Reading all the ways your enemy's body was broadcasting their intentions and keeping your own body for doing the same. The moment Greg heard the shrill cry from the gorilla, his mind had immediately shifted into combat mode and all extraneous thoughts were expelled. Before the gorilla could even understand that it was about to die, the blade had already sunk to the hilt in the gorilla's mouth and come out the back at the base of its skull.
"Thanks," Greg answered his teacher's praise even as he held out a hand, summoning the sword back into his tight grip.
This was the strategy that they had come up with to ensure the best outcome in any fight they found themselves in. It had been a hard pill to swallow, but his teacher had been quite blunt in letting him know that there was no way he could hope to keep up with her in battle. There was no malice or intent to belittle Greg in her voice, demeanor, or words. It was simply a factual statement. There was just too big a gap in combat style, strategic thinking, and actual battle experience between the two of them. If they tried to coordinate with each other they'd just get in each other's way, or worse hurt each other in the process. As such, instead of trying to force them into a situation that would be disadvantageous to both of them, the resolution was simple, Greg could fight from a distance.
Apart from a few armors to keep him safe and a significant pile of potions to help with everything from healing to increasing his speed of movement and reflexes, all of Greg's preparations had been geared toward one who would be fighting from a distance. Flying knives, flying swords, bows, and a whole array of arrows with various effects, items like alchemical bombs that he could lob from a distance, and so on. Greg would help in staving off whatever trouble came their way by attacking from a distance. As soon as that failed and whatever they were fighting tried to get up close and personal, then he was to fall back and let the healer take over.
The reason Greg had gone for the sword and not a flying knife was because of a warning he'd gotten from both his teacher and Olivia. "Controlling flying weapons requires a lot of mental energy. Do it for a few minutes and you probably won't notice the difference. Do it for two hours straight, and you start to get a headache. Keep at it for five hours and that headache will transform into a migraine. Endure another two hours past that and you'll probably pass out!" This had been the healer's word of caution the greater the number of flying weapons Greg bought from the shop. They had no idea what amount of time they'd need to achieve their goal, so her advice to him had been that he should pace himself. The optimal time for those who weren't trained in using such weapons was a ratio of one to five. His teacher, however, had advised that whatever amount of time passed while he was using a mind-controlled floating armament, he should try to take at least twice as long to rest. That way, he wouldn't burn out too quickly!
This was why Greg had sought to kill in one move. If he could shrink down the amount of time he was using the armaments to as low as possible, then consequently, his recovery time would also shrink to a negligible amount. Just like now, sending the sword out and summoning it back had taken barely five seconds, in less than half a minute, he would have obtained full recovery as opposed to the one-to-two ratio he was to maintain when things got really bad. Turning back to his teacher, Greg prompted. "You were saying?"
"Formations," The healer immediately got back into the flow of things. "The thought of two worlds connecting may sound daunting, but in reality, it's a very delicate process. One that is surprisingly easy to disrupt even when it's in its last phases. A combination of about six to seven formations will have to be layered one on top of the other to this end. That may sound like a lot, but considering I know problems that require a hundred-plus formation layers to be resolved, seven is next to nothing," She laid out. "First, we'll need to set up a space isolation formation. Cutting off the small space in which the doorway is forming from the rest of the world tends to badly destabilize the connection between the two worlds. The second and third formations are the mana dispersal and mana ward formations. The first one disperses any mana in the isolated space while the second one prevents any mana from flowing back into that area, essentially creating a mana vacuum. Doing this will slow down the formation of the connection down to a crawl. A connection that would have formed in a cycle, will now take ten, and one that would have taken ten cycles will now take a hundred!"
"The fourth formation is the obscuration formation. This one is just in case there..."
"Uuh, guys," Olivia's voice interrupted the explanation causing the two of them to turn to her. The familiar, however, wasn't looking at them. Following her gaze, she was looking in the direction of the gorilla that Greg had just killed, or at least had tried to, given that the thing was slowly and jerkily picking itself up off the ground. Greg was certain that, at the angle that the flying longsword had come out the back of the gorilla's head, it must have cut the beast's brain stem in two. How then the thing was still alive, Greg didn't know! "I don't think the denizens of this twisted land are very happy with our presence here," She said, her gaze turning in another direction to reveal several beasts, all with warped features, slowly approaching them. Ever since they'd crossed into the lands infected with abyssal mana, they hadn't encountered any two animals working together, not even those that were usually social animals. That these beasts had chosen to set aside their hostilities to come after them, was indeed odd. "I think it'd be wise for us to postpone the explanations till after the situation is resolved, wouldn't you say?" She suggested even as two, double-edged, blood-red daggers that curved forward slightly, appeared in her hands!
Greg had been willing to arm Olivia just as much as his teacher and himself. Much to his surprise, however, she turned him down. Instead, she only asked for one thing, the dual dagger set that she was currently holding. Greg had tried to insist that she at least get some armor, or healing potions if she didn't want the former. His familiar, however, had just smiled and said that the blades would be all that she needed. Now admittedly, the pair of daggers had an inordinate number of enchantments, enough to be rated as a peak tier-two item. Boasting a nigh-unbreakable hardness, enhanced sharpness that didn't dull, and an enchantment that kept any fluids or debris from attaching to the blades, the daggers could afflict its victims enhanced pain, sleep, paralysis, or necrosis depending on which enchantment Olivia activated. Even the healer had seemed impressed with the pair of daggers when Olivia was done laying out all their perks and abilities. For an item in the lower tiers, it was a surprisingly versatile weapon.
A fact that was put on full display in the next second.
If not for the sudden displacement of air, and the flying debris in her wake, Greg would have believed that she teleported. One second, she was next to them, and in the next, she was standing behind the gorilla with its head rolling off its shoulders. The thing had been put down so fast that, forget Greg or his teacher, the creature itself was probably dead before it even knew what had happened. Abyssal corruption or not, the creature was unlikely to recover from a severed head. Whether it was because it had happened right in front of them, or some unknown facet of their abyssal mana corruption, Greg didn't know. But the eclectic group of monsters that had been slowly approaching them became even more rabid than they already were. Releasing a varied array of furious howls, roars, chitters, and screeches, the fast-growing mob of creatures started to charge toward Olivia. Gripped by sudden fear on behalf of his familiar, Greg took a step forward ready to call her back to his side. The words, however, died on his lips as Greg's perception of the familiar fundamentally changed. The always chipper familiar that rarely took anything too seriously, was a harbinger of death on the battlefield.
Rather than use her extreme speed to move back to where Greg and the healer stood, she ran straight at the incoming stampede. Greg would have expected Olivia to use her overwhelming speed advantage to maintain an advantage over the mindless beasts. But that wasn't what she did. A ghost. That's the only word that came to mind as Greg watched the chilling spectacle before him. For two months before he was indisposed as a result of his ascension, Greg had been learning about the theory of combat from his familiar. In-depth as Olivia had tried to make those lessons, however, none came close to watching her dismantle a whole group of monsters with the ease of one who was walking through their garden and pruning a few errant tree branches.