Alex is an expert when it comes to fighting and killing humans; he had been doing that since he was 12, and he knew exactly where to strike a human with how much force to kill them, give them the most pain, or make them lose consciousness.
Yes, that was before the apocalypse, as now people could even have an exoskeleton hard enough to take the blow of a sword without a problem, so judging them in the way one would do before the apocalypse was not the right thing to do.
It was harder when it came to the beasts.
Where to strike? What's the weak point? Would it die, or will it get enraged?
Many unpredictable factors come into play when we go for the beasts.
However, be it the beasts or the humans, there's one thing that will always be their weakness—their insides.
No matter how strong one is on the outside, it would always be soft from the inside; rather, the harder one is from the outside, the softer one is on the inside.