Buy RS3 Skeletal armour set
The Skeletal armour set is Fremennik power armour for mages in RuneScape 3. The set has five pieces: the Skeletal helm, top, bottoms, gloves, and boots. It is a lower-level power set that needs 50 Defence to wear. Most of the set can only be worn after you finish The Fremennik Trials quest.
Wearing the full set adds the title Skullbearer to your Fremennik name. You only need the helm, top, and bottoms for the title. The boots and gloves are not needed. The set also counts toward the Dress to Impress achievement, which asks you to wear rockshell, spined, or skeletal armour and have the locals use an honorific with your Fremennik name.
Getting this set on your own takes work. The pieces drop from Wallasalkis and Dagannoth Prime on Waterbirth Island. Some pieces must be made by Peer the Seer in Rellekka using skeletal parts and dagannoth hides, and he charges a fee for it.
You can store the set in a magic wardrobe in your player-owned house Costume room, so it does not take up bank space. This is a solid pick for mid-level mages who want strong magic power armour.