If Looks Have Killed
From RoR Wiki
If Looks Have Killed is a Tome of Knowledge Bestiary entry for Cockatrice.
Instructions: Order & Destruction
Interact with the 'Petrified Corpse' in The Shadowlands at 58k 29.9k, between some trees.
Rewards
- XP: 336
Tip
Around 'Petrified Corpse', you will find 'Darkclaw Bears' and 'Darkclaw Maulers', for the unlock At Least They'll Stay Cool and its title.