A Prayer cape is a Cape of Accomplishment that can only be worn by players who have achieved a Prayer level of 99. It can be purchased from Brother Jered, upstairs in the Monastery west of Edgeville. The cape and its corresponding hood costs 99,000 coins to purchase.
Like all skill capes, the Prayer cape gives +9 to all defensive stats, and also a +4 bonus to prayer if it is trimmed, which requires a separate skill at level 99. The cape is automatically trimmed if this condition is met.
When the prayer cape is equipped or in the inventory, it will act as a holy wrench. Given the cape's level requirement to equip, this equates to 2 extra prayer points for each dose of prayer potion consumed. However, the effects will not stack with a holy wrench or a ring of the gods (i).
Equipping or operating the "Boost" option will boost prayer from 99 to 100 temporarily. Can be used every 60 seconds. Will only work when prayer is 99/99.
As of 1 September 2018, there are 25,705 current members that have achieved level 99 in Prayer.