Bought off the G.E, from players or player made (level 62).
Uses:
The ability to use your monsters special ability (Boosts Agility and Thieving by 4 points).
Notes:
Made at a Summoning obelisk while having an Abyssal lurker pouch in your inventory - one pouch gives you 10 scrolls and 1.2 xp.
Activating this will give you 1.2 amount of summoning xp and will use 20 points on your Special moves bar.