With the revamp to the prayer system, the prayer drain rate has been reduced closer to OSRS levels. I think this would be an opportune time to add the Holy Wrench to the game. Depending on your prayer level, this can allow us to save some prayer potions when doing slayer or PVM, and would add another goal and item to achieve.
I think the best way to add it would be through the slayer store for 3k-5k points. It could also be random when burying/offering bones, similar to how pets work, except with a much lower drop rate (1/5k normal bones, 1/2.5k big bones, 1/1k dragon bones/wyverns, 1/750 lava drags/dagganoth bones)
Let me know your thoughts.
Link:http://oldschoolrune...iki/Holy_wrench