RuneScape Classic Wiki
The main RuneScape Wiki has an article on: Powering crystal1
The Old School RuneScape Wiki also has an article on Powering crystal1.

Powering crystal1 is a quest item used in the Watchtower quest. It must be given to the Watchtower Wizard in order to restore the Watchtower's magical shield.

Associated dialogue

Attempting to take from the pedestal after completing the Watchtower quest:

  • (You try and take the crystal but its stuck solid!)
  • (You feel magic power coursing through the crystal...)
  • (The force renews your magic level)