Imagine yourself in the following scenario:
You are an adult female, reasonably assumed to be a formally trained knight or guard. You have been tasked with escorting a young lady to the territory of a noble family. After some time, you decide to stop near a forest—perhaps at the side of the road or in a clearing.
Suddenly, you hear your client exclaim in indignation. You turn to find her knocked onto her backside, holding a small injured animal with an arrow lodged in its lumbar or thoracic region. Beside her stands a very young boy, clearly under the age of ten, holding a bow.
Would your immediate reaction be to violently swing your unsheathed sword at the child—without any attempt at conversation or civilized intervention?
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It is imperative to consider the following facts:
According to Wikipedia, the average medieval longsword was a straight, double-edged blade measuring approximately 80 to 110 cm (31 to 43 in) in length, and weighing around 2 to 3 kg (4 lb 7 oz to 6 lb 10 oz).
According to research conducted by Sean Franklin—an engineer and medalist in international competitions for Longsword, Messer, Grappling, Rapier, and Cutting—a 1.39 kg sword, traveling at an angle of 64°, has a cutting surface moving at approximately 70 km/h.
Let’s make a reasonable assumption for the impact duration (t). Cutting impacts are typically very fast.
Let’s try:
t = 0.01 seconds (a typical duration for a sharp impact)
Using the impulse-momentum formula:
F = Δp / Δt = mv / t
F = (1.39 kg × 19.44 m/s) / 0.01 s = 27.02 / 0.01 = 2,702 N
2,700 Newtons (N) is a tremendous amount of force concentrated along a sharp edge. For comparison:
A professional boxer’s punch delivers approximately 2,500–5,000 N, but over a much wider surface area.
A sledgehammer swung by an adult impacts with around 2,000–3,000 N.
A car crash at low speed (approximately 10 km/h) can generate roughly 3,000 N of force on a person inside the vehicle.
However, unlike those examples, a sword focuses all that force through a narrow cutting edge, concentrating the energy on a very small area. That’s why it can easily slice through meat, bone, or even armor—depending on the sharpness and quality of the blade.
MOST IMPORTANTLY. By adding to the fact that this world's sciences, martial arts, tool/weapon manufacture techniques are heavily influenced by "magic", normal human limits cannot be placed on people, and even more hard to be placed on combatants. For example, the sword could be "magic", shw could be using a "magic" supllemented strike, "magic" abilities could provide a thousand different effects, and even more when compounded with another.
Tl;DR
Knight bitch is CRAZY, a savage at the very least. Must be euthanized at the earliest opportunity.