Rejuvenation potion

The Rejuvenation potion is a one dose potion only available in the Dungeoneering skill. Using the potion restores Prayer and Summoning points by 7 + 15% of skill level.

It is made by adding Featherfoil and Misshapen claw to a vial of water. This requires level 51 Herblore and grants 105.5 experience in Herblore. This potion can only be made in dungeons with complexity level 5+.

Reference

 * RuneScape Game Guide: Dungeoneering - Herblore Tables