What does the line monsters thoughts were as quick his greed or claws mean?

The line "Monsters thoughts were as quick as his greed or claws" suggests that the monster is extremely quick-thinking and cunning. The monster's thoughts move as quickly as his greed and claws, which implies that he is always thinking about how to get what he wants and how to attack his prey. This makes the monster a formidable opponent, as he can outthink and outmaneuver his enemies.