Seren altar
Seren altar is a members item. No shop sells Seren altar and no monster drops it, so an Ironman makes it: it takes 105 Construction and gives 6,378 Construction XP, using 2 × Marble block, 2 × Gold leaf, 3 × Magic stone, 3 × Stone of binding, 100 × Corrupted ore and Cleansing crystal.
MembersUntradeable
Updated . Sources from the RuneScape Wiki's drop, shop and recipe data (CC BY-NC-SA 3.0), checked 2026-10-09. Item sprite © Jagex.
Ironman verdict
Where the materials come from: Marble block (sold by Bandit Duty Free for 292,500 coins); Gold leaf (sold by Bandit Duty Free for 117,000 coins); Magic stone (sold by Keldagrim Stonemason for 975,000 coins). Making ten takes 20 × Marble block, 20 × Gold leaf, 30 × Magic stone, 30 × Stone of binding, 1,000 × Corrupted ore and 10 × Cleansing crystal and gives 63,780 Construction XP. Reaching level 105 Construction takes 23,611,006 XP in total; the Construction calculator counts the actions and materials to any target, and the Construction guide has the Ironman training route. Seren altar is members-only. It is untradeable, so every account, Ironman or not, gets it the same way.
At a glance
- Members
- Yes
- Tradeable
- No
- Monster drops
- None
- Shops
- None
- Recipes
- 1
- Used in
- Nothing
Make it yourself
Needs 105 Construction · 6,378 Construction XP
Getting the materials as an Ironman
- Marble block: sold by Bandit Duty Free for 292,500 coins
- Gold leaf: sold by Bandit Duty Free for 117,000 coins
- Magic stone: sold by Keldagrim Stonemason for 975,000 coins
- Stone of binding: sold by Bandit Duty Free for 450,000 coins
- Corrupted ore: from Treasure chest (player-owned port)
- Cleansing crystal: sold by Hefin Cathedral (shop) for 110,000 coins
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