1. The cooking knife is simple. Using a heater the size of 2 small AA battery in the hilt, you pre-heat the knife and must cut quickly since you cannot set a temperature. The battery is half of the heater component and is changed by simply sliding it out after popping off the casing. Most people just pre-heat the blade to its maximum temperature by running the battery to a quarter of its life. This knife is typically used by professional cooks who can basically cook using their five senses, it is also common amongst murderers. In the case of murder it serves in 2 ways: The classic slice n' dice or the battery injection. People will cut the battery open and shove it down there victims throat, it isn't common with normal murderers like the woman who killed Kaz's father. The battery kill is found in more complex kills.
2.Kaz comes from a overpopulated world, where poverty as well as wealth is common. Due to the government's harsh punishment system of "Guilty means death" criminals tend to commit suicide. This is because the punishment system in Kaz's world solves everything, no matter how small, with the death penalty.As a result of such, rebellious gangs and assassination is common. Most of these goto the military academy and learn their skills there, this is what Kaz did. The academy is mandatory and all academies have a scholastic schedule as well.
3. B-Class means "Covert OP" - Spy/Assassin
A-Class means "Infiltration OP" - Hacker
S-Class means "Combat OP" - Soldier
X-Class means "Explorer OP" - Demolitionist
4.In Kaz's appearance you see that red string right? And the bracelet? That thing works like spiderman's web shooter, but instead of getting him places it serves as a trap. By flicking their wrist the user unlocks the string and it shoots out until it makes contact with any object that can smelt at a cooking temperature of 450 degrees Fahrenheit. When the user has met his desired target he can continously smold the string creating a thin web at high temperatures. Once the wire cools it is invisible to the naked eye and can be used to: hang, cut, ensnare, and dice up your enemy.
5. The proton rifle works by firing a large continous beam that lasts around the same time it would take you unload a M9 clip, shooting as fast as humanly possible. To reload you have to actually open the gun like an Olympia shotgun and reload. It only has two shots per round.
6.Swords are a part of the curriculum because it is a reliable weapon in close combat. When your out you switch
to whatever you were taught in the academy. Each class learns something different.
B-Class - Kendo
A-Class - Fencing
S-Class - Knuckled knife
X-Class - Boxing
7. The Assassination group is known as The Band Of Rogues or BOR. They were the ones who comforted Kaz during the academy, he met them after getting into a fight at the school. A teen member was watching. They became friends and he was eventually caught up in the BOR organization.
8.There is no courthouse. The police investigate if they say guilty and provide evidence... off with your head! Or you can choose life chained.
9. He killed several politicians because of the first note. If someone got a hold of that evidence that he killed his crew his life was over. As a result the last politician was prepared and gave him another note declaring him guilty and his death sentence dated. He was given a way out by retrieving those ores you mentioned in the overview.
10. Sorta he was incarcerated on the spot and would have been shot to death if he declined the offer to retrieve the items. (( He is surrounded by soldiers the minute the politician passes him the note and as awesome as Kaz is he's not invincible))
@Yiyel