Passages that are all about blood, action, or incredible physical performance.
Two Against One and the Odds are Even
“Thorbjorn rushed forward and swung a blow at Grettir, who drew his buckler with his left hand to parry it, then thrust out with his sword, splitting Thorbjorn’s shield and striking him such a blow on the head that his brains spilled out and he fell down dead on the spot.” […]