Vestment Robes are prayer sets aligned to one of six major gods of Etherum. The pieces to this set offer a decent prayer bonus, so that you're prayer is depleted much slower than normal when they are equipped. This can be handy if you do not want to use as many prayer potions. The Ancient robes are god robes with the purple trim.

The Ancient Vestment set is made up of:

Ancient Crozier
Ancient Cloak
Ancient Mitre
Ancient Robe top
Ancient Robe legs
Ancient Stole

Obtaining the pieces

Each item is obtained from a different leveled clue scrolls. The robe top and robe legs can be rewarded from medium clue scrolls. The cloak and mitre can be rewarded from hard clues and the stole and crozier can be rewarded from elite clue scrolls.