Observatory Quest Quest Guide
OSRS Observatory Quest walkthrough, requirements and rewards
Updated September 2026
Observatory Quest repairs the Observatory and unlocks the Spirit of Scorpius, who makes unholy symbols. It needs no skill requirements and rewards Crafting experience plus a random astrological item.
On this page
6 sections
Overview
| Difficulty | Intermediate |
| Length | Short |
| Quest points | 2 |
| Series | None |
| Start point | Talk to the Observatory professor in the Observatory Reception Room north of Castle Wars. |
Requirements
Other Requirements
- Optionally defeat a level 42 Goblin guard (can be trapped behind a column)
Items Needed
- 3 normal planks
- Bronze bar
- Molten glass
Recommended
- Combat level 20 and antipoison
- Armour and food for lower levels
- Stamina or energy potions
Walkthrough
Video walkthrough by Slayermusiq1.
Rewards
- 2 Quest points
- 2,250 Crafting experience
- An uncut sapphire plus a random item based on your constellation
- Spirit of Scorpius makes and blesses unholy symbols
- Access to the grappling shortcut
- 5 Kudos at the Varrock Museum
Related Quests
Related Tools
Observatory Quest FAQ
01What do I need to start Observatory Quest?
No skills or quests are required. Bring 3 planks, a bronze bar and molten glass.
02What item do I get from the telescope?
The reward depends on the astrological sign you see. Everyone also receives an uncut sapphire.
03Is there a shortcut to the Observatory?
Yes, after the quest you can create a permanent grapple shortcut with Agility 23, Ranged 24, Strength 28, a crossbow and a mith grapple.
04How much Crafting experience does Observatory Quest give?
2,250 Crafting experience, 2 Quest points and 5 Kudos at the Varrock Museum, plus your astrological item and an uncut sapphire.
05Do I have to kill the goblin guard in Observatory Quest?
No. The level 42 Goblin guard in the dungeon is optional and can simply be trapped behind a column.
06How long does Observatory Quest take?
It is a Short quest with no combat required. Bring 3 planks, a bronze bar and molten glass to start.
07What does the Spirit of Scorpius do?
After the quest the Spirit of Scorpius, found in the graveyard north of the Observatory, will give you a mould to make unholy symbols and will bless them for you.
Next Quest
See every quest in the game, or find the next one on the optimal route.
Sources & methodology
XP rates, requirements, and drop data in this guide are cross-checked against the OSRS Wiki and verified against in-game behaviour. Grand Exchange prices move daily, so treat GP/hr figures as estimates and confirm current prices with the OSRS Wiki price tracker before committing to a method.
Darren started playing the original RuneScape 2 back in the day and came back when Old School RuneScape launched. He's played on and off over the years and built OSRSToolkit to give players a single place to find reliable tools, calculators, and guides — all informed by real in-game experience.