|Prayer book||Standard Prayers|
|Drain rate||100 points per minute (1 point per 0.6 seconds)|
Rock Skin is a Prayer that gives a temporary 4?% boost to a player's Defence skill. It cannot be used in conjunction with any of the other prayers that provide a defence bonus, such as Thick Skin or Steel Skin. This is the second prayer to which players have access that affects defence, and the sixth prayer to which players have access.
|Melee Attack Rating|
|Magic Attack Rating|
|Ranged Attack Rating|
|Knight Training Grounds|