The ring of slayer teleports you to pollniveach, slayer tower, and slayer dungeon, and takes the place of the enchanted gem. Once you use the 8 charges it reverts back to a slayer gem. And I am not sure about the crafting exp. The set up for points is the following, using Duradel/shilo 1 - 0 2 - 0 3 - 0 4 - 0 5 - 15 6 - 15 7 - 15 8 - 15 9 - 15 10-60 + 15 (75 total) and it follows that order until 50 where you get more points but i am not sure of it. Each slayer master gives there own amount. The new one for instance gives 12 per task.