Require:
Chiesel
61Crafting/70 Mining or Adamantine ore/ 50 Slayer
Ability to kill a 111 monster (Armor/Food/Potions)
1.Teleport Catherby then go to Fremennik...
2.Talk With sailor.
You need to craft a topaz.
3.Kill the monster.
After you kill him just teleport back to catherby and walk againd to fremennik.
4.Get him one adamantin-ore. You can mine one or just buy it from skill shop.
(Forgot to take a picture here)
5.Get 50 slayer. You already got 50 slayer from Legend Quest.
Quest done.
You will automatly start Lunar Spirit Quest.