Runestax is a druid found east of the Falador lodestone. She was part of the Tribute to Guthix event, where she informed the player how much rune essence or pure essence had been placed on the tribute stone. Runestax also explained about the stone and its rewards.
- The name Runestax is a pun on the words "rune stacks" as she was the one that the player talked to about the tribute stone, a stack of rune essence.
- She is wearing Robes of Remembrance.