This video is a clip from a video game. The game is set in a dark, cave-like environment with a blueish hue. The main character, who is wearing a hooded outfit and wielding a sword, is fighting against a large, menacing monster. The monster has multiple tentacles and is covered in a blue, glowing substance. The character is seen swinging the sword and dodging the monster's attacks. The video game graphics are detailed and realistic, with a focus on the action and movement of the characters.