Runescape non-member task raiders: Witch's potion, award 325 magic experience.
Required items: some 3gp, Onion, Burnt meat, , Rat's tail, Eye of newt.
The tasks Points Reward: 1
Reward: 325 Magic experience
Start: to talk with Hetty
1, to talk to Hetty in the Rimmington house, she will tell you to find four things, namely Onion, Burnt meat, "Rat's tail, Eye of newt.
2, Rat's tail: to kill a small mouse (Note: a small mouse, not large), those mice appear in the store which sell bows and arrows in Rimmington, it is estimated you can get just kill one (Note: You should take task in order to hit the rat tail, if you did not receive or complete, it cannot hit)
3, Onion can be found in the Rimmington nearby, next to the mining
4, Burnt meat: get a raw meat (cattle, mice, bears), roasted it, if successful (that is not burnt), roasted the not burnt meat and the meat will become burnt
5, Eye of newt: go to buy one which cost 3gp in the rune shops in port sarim
6, the final step, back to the Rimmington and talk with Hetty, she told you to drink the medicine she made(green barrel), click, drink, and complete the task.