Rejuvenation potions are created by adding a bruma herb to a rejuvenation potion (unf), earning Herblore experience equal to the player's Herblore level divided by 10.
Each potion holds 4 doses and are used to heal the pyromancers found in the Wintertodt's prison. Using a dose on a pyromancer heals them for 5 Hitpoints and grants the player 30 points towards supply crates when subduing the Wintertodt. A single dose will fully heal any incapacitated pyromancers.
Attempting to create this potion outside of the Wintertodt's prison results in the message You can only do that within the influence of the Bruma tree. appearing in the chatbox.
- ↑ Auto-creating is 1, then 2, then 3 ticks.