In several scenes someone is run through with a bloody sword or stabbed with a knife. Several people have their necks broken, either physically or by magic.
Many, many times a person's "heart" is painfully ripped out of his/her chest. It is not a "graphic" heart, no blood, not beating... more like an internally-lit plastic heart. Still some viewers (especially younger ones) may find this disturbing.
Crashes, bloody sword fights, explosions, murder. People's hearts are removed from their chests in a non-gory (but startling) way. Frightening creatures like trolls and eerie monsters. A man is attacked by wolves, a dragon burns people alive. One character is impaled, and dead bodies can be seen after a town is destroyed. Most graphic acts take place off-screen. Arguments/conflict. Characters disguise themselves as other characters to trick people into having sex with them.
Blood is kept at a minimum; there isn't that much. In a few episodes, there are larger amounts, as a character bleeds out and such.
There are two birth scenes where you do not see anything, but the mother is screaming in pain.
Scene in a cavern where two men attack a man who is more than their match.
During one of the episodes, a wolf attacks a group of men. The attack is off-camera, however the bloody aftermath of the attack is seen from a distance detailing bloody bodies and in one case a severed hand and several legs. There is A LOT of blood in this scene. Before we see this Red pulls a bucket of blood red water out of a well. Also during this episode a wolf eats a man alive. You can't see anything you can just hear growls and muffled screams. The wolf turns into a human and looks at the bloody aftermath of what had just happened. There is some flesh and a couple of bones in the distance for about a millisecond.
In another episode, A man is decapitated and his head is held by his hair. His body falls to the floor but his head is still moving. A lacerated wound around his neck is shown but not graphically bloody.
There is a dragon who burns the knights to death. There is one knight scene who looses his legs from the dragon, but is not killed. Mostly no blood, just skeletons and burns are seen.
A woman is impaled on a spike. You can clearly see the spike straight through her stomach, and there is a small amount of blood shown dripping from the wound. The woman dies. Also in this episode, you see a bloody body strewn along a road. It is revealed the man was murdered with an axe.
The aftermath of a massacre of an entire small village is seen. The bodies are piled on top of each other, and bodies of children are noticeable. They are not very bloody, however it can be upsetting.
The show does not feature scenes that focus in on gore and often violence is offscreen, which keeps it at a more family friendly level. However, there are many characters, including main characters, who die.