Death tiara

A Death tiara is made by combining a Death talisman with a tiara. In order to combine it with a talisman, simply use the tiara on the Death altar with a Nature talisman in your inventory. Doing so earns you 45 Runecrafting experience.

Death tiaras can be worn in the head slot, allowing you to left click on the altar to get inside, and saving you an inventory space.