Carcassing Allister's Castle

Obtained at 10, -1 from Kartier Tremai.

Step One
Bring to Kartier Tremai 6 Ash Plank.

Reward 876 XP and 876 kamas.

Step Two
Bring to Kartier 6 Flint.

Step Three
Bring to Kartier Tremai 12 Wheat.

Step Four
Bring to Kartier Tremai 6 Larva Flesh.

No idea how it goes on from here...