|Release date||5 March 2015 (Update)|
|Notable features||Taskmaster for the Lumbridge & Draynor Diary.|
| Attracts a lot of attention.|
Hatius Cosaintus is located just outside of the Lumbridge Castle. Players can begin the Lumbridge & Draynor Diaries by speaking to him. He also awards players the Explorer's ring for completing easy, medium, hard and elite tasks.
His name is a pun based on the phrase from the movie The Interview "Hate us cause they ain't us" due to the fact he is wearing very rare and highly coveted equipment.
|Lumbridge & Draynor Diary||
|Western Provinces Diary||