Shamus

Shamus is a leprechaun who pops out of the tree during the Lost City quest. The player must chop a specific tree northwest of the quest starting point in the Lumbridge Swamp. When spoken to he informs the player where to find Zanaris and enter. You may find the tree due to the note that pops up on the top left of your screen. It will say chop tree instead of chop down tree.