Hatius Cosaintus

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Hatius Cosaintus chathead.png

Hatius Cosaintus is located just outside of the Lumbridge Castle. He awards players the Explorer's ring for completing easy, medium, hard and elite tasks of the Lumbridge Diary.

Changes[edit | edit source]

Date Changes
24 March 2016
(update | poll)
It is now also possible to get multiple copies of achievement diary equipment by talking to relevant diary masters or by talking to Perdu, found upstairs in the Edgeville general store. Perdu will charge a small fee.
12 March 2015
Information on achievement diary rewards is now available from each of the taskmasters at any time rather than only when you complete a diary.
16 April 2015
Hatius Cosaintus no longer has an invisible jaw.

Trivia[edit | edit source]