Corrupted Seren Stone

Corrupted Seren Stone

Release date	10 November 2014 (Update)
Members	Yes
Quest	No
Location	Prifddinas
Examine	The stone is corrupted with black ooze from the Poison Wastes.

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The Corrupted Seren Stone is the largest piece of Seren which is located in the Hefin cathedral in the Hefin clan district in the north-west part of Prifddinas. Inside the cathedral reside Hefin monks. These monks sell cleansing crystals which can be used on the Corrupted Seren Stone for 9,800 prayer experience each, if uninterrupted. When the Voice of Seren is active in the Hefin Clan district, cleansing crystals will give an additional 20% prayer experience, for a total of 11,760 experience.

Cost and XP analysis

Coins per XP	No bonuses	With 1 First Age item	With 2 First Age items	With 3 First Age items	With 4 First Age items	With 5 First Age items
	−11.22	−11.11	−11	−10.9	−10.79	−10.59
	With Voice of Seren	With Voice of Seren +1 First Age item	With Voice of Seren +2 First Age items	With Voice of Seren +3 First Age items	With Voice of Seren +4 First Age items	With Voice of Seren +5 First Age items
	−9.35	−9.26	−9.17	−9.08	−8.99	−8.82