Get a magic short bow from shop.
Require: 53 thief and some skills.
1.Teleport Catherby and go talk with the King.
First task if to get a cake from Ardougne , there is no teleport so you will have to walk.
Note: Take 151 cakes 1for the desert treasure quest and 150 for legends quest.
Teleport back to catherby and give him the cake.
2.Get him the magic bow
3.Last task fight with 4 bosses. Get your food prayer potions and a good armor.
1. Protect from melee
2.Protect from magic
3.Protect from melee (use food)
4.Protect from melee
Quest done.
You can use now ancient magic