People are hurt by being shot, There is blood when they are shot.
A boy punches a man and then gets slapped.
A man punches an ant king with ant blood spewing on the walls nearby.
Overall, the violence is ranges from mild to moderate. Most of the violence comes down to punching and Anime-type fights with over-the-top abilities. Blood is generally never used. There is one scene in the chimera ant arc where a man punches a ant, resulting in some blood spray but this is played in a comedic way as the blood lands on the kids and they start laughing and saying "eww".
Mild fighting and action shown throughout the series, the whole show revolves around a preteen named Gon who goes on adventures to find his Dad who has become a Hunter.
The show plays off action sequences in a light-hearted way.
A kid spikes a drink causing a man to fall to the ground unconscious.
A group of preteens is locked away in a cave and only given small amounts of food.
After the Chimera Ant arc, they introduce a character that can grant wishes. If anyone denies her request it is implied that she would banish them into a pit of lava.
Killua is shouted at by the Ant king.
An alien is killed with blood with laser guns.
A man shoots another man in the head, blood is shown.
A man kills a whole ant army with lazar guns, no blood is shown.
Phinks and feitan killed two men on a road. This is shown with blood.
Merum kills a man for refusing to play a game with him. This is shown in a black and white format, so the graphic nature of it is not shown fully.
A man is shown beating up a guard, some blood is seen.
Many fighting scenes with no blood, a boy gets slapped.
Moderate violence. There are a few cases where the violence that is Moderate, particularly in the Chimera Ant Arc, as many ants are killed with blood.
The Hunter Qualification Exam arc is dangerous, and people die while taking it, but their deaths aren't shown. People jump from cliffs, fight magical creatures, etc.
The anime series contains fantasy violence, characters using magical powers or martial arts fighting skills. The beginning of the series is lighthearted, but with non-explicit violence and moderate. Marketed more as a kids show but gets more intense later on.
When violence occurs it can be brutal but sometimes its very graphic. There is moderate animated blood/gore on occasion.
The Hunter exam features many dangerous events such as climbing towers with thin rope, swimming to an island that his killer whales, and much more. Although this is shown with no graphic detail, the challenges are still quite intense.
The Chimera ant arc has to most violent scenes.
In the first season (within 20.episodes) a man's heart is ripped out, Blood is shown.
The show is lighthearted in the beginning of the seasons/arcs, and get more intense by the end.
A villain breaks Gon's arm, and while off screen, gon is seen in pain.
An ant get its arms torn in half while fighting. Blood and intestines is shown.
Gon's arm is broken in a fight, he is then slammed down.
A alien like character bites another alien like character. Blood is shown.
One villain says he likes to hurt others. Nothing is ever shown on screen. Mild.
A character is repeatedly kicked during a fight.
During the Chimera Ant arc, several fighting scenes are intense and are filled with suspense.
Some people are killed in later episodes but it's mostly only implied, offscreen, and handled discreetly.
A character gets their arm broken during a fight.