Blighting Jewel
LoL item, Epic, patch 26.20. Blighting Jewel costs 1,100 gold and gives 25 Ability power and 13% Magic penetration. Here is what it does, what it is built from, how gold efficient it is and which champions build it most in Master+ games.
Stats, prices, the recipe and the passive and active text come from Riot's Data Dragon for the current patch. The champions table counts the final items of ranked Solo/Duo games of Master+ players on the same patch.
Updated October 2026 · By LOLValue Team
Blighting Jewel Stats and Cost
Blighting Jewel costs 1,100 gold on patch 26.20 and gives 25 Ability power and 13% Magic penetration. Bought with its components, the last step costs 700 gold, and selling it gives back 770. Its stats are worth 500 gold at the prices of the basic items, which makes it 45% gold efficient before its passive.
| Stat | Value |
|---|---|
| Ability power | 25 |
| Magic penetration | 13% |
| Total cost (gold) | 1,100 |
| Combine cost (gold) | 700 |
| Sell value (gold) | 770 |
| Stat value (gold) | 500 |
| Gold efficiency | 45% (stats only) |
| Tier | Epic |
| Maps | Summoner's Rift and ARAM |
What Blighting Jewel Does
Blighting Jewel has no passive or active: it gives only its stats.
The text is Riot's item description for the current patch. Numbers that change with level or with your stats show in game when you hover the item.
Blighting Jewel Build Path
Blighting Jewel is built from Amplifying Tome and builds into Void Staff and Cryptbloom. Component prices are in brackets.
Built from
Amplifying Tome (400)
Builds into
Void Staff (3,000)
Cryptbloom (3,000)
Champions That Build Blighting Jewel Most
34 of the 3,090 Master+ players sampled on patch 26.20 ended the game with Blighting Jewel, and they won 47.1% of those games.
| Champion | Games with it | Share of the champion's games | Win rate |
|---|---|---|---|
| Syndra | 4 | 9% | 50.0% |
| Diana | 3 | 17% | 33.3% |
We read the ranked Solo/Duo match history of Master, Grandmaster and Challenger players through the Riot Games API and count the items each of the ten players ended the game with. Share is the part of a champion's games that ended with Blighting Jewel; follow a champion to see its whole build.
Is Blighting Jewel Gold Efficient?
Gold efficiency compares what an item's stats would cost if you bought them in basic items (Long Sword for attack damage, Amplifying Tome for ability power and so on) with the item's price. Blighting Jewel's stats are worth 500 gold for a price of 1,100: 45%. Above 100% the stats alone are worth more than the item costs; the passive and active come on top and are not priced. The LoL items list ranks every item this way.
Frequently Asked Questions
How much does Blighting Jewel cost in LoL?
1,100 gold on patch 26.20. The last step after its components costs 700 gold, and it sells for 770.
What stats does Blighting Jewel give?
25 Ability power and 13% Magic penetration.
Is Blighting Jewel gold efficient?
Its stats are worth 500 gold for a price of 1,100, which is 45% gold efficient before its passive and active.
What is Blighting Jewel built from?
Blighting Jewel is built from Amplifying Tome, and builds into Void Staff and Cryptbloom.
Which champions build Blighting Jewel most?
In Master+ ranked games on patch 26.20, Syndra and Diana build Blighting Jewel most.
Every LoL item with its stats and gold value · LoL item builder · LoL randomizer
LOLValue isn't endorsed by Riot Games and doesn't reflect the views or opinions of Riot Games or anyone officially involved in producing or managing Riot Games properties. Riot Games and all associated properties are trademarks or registered trademarks of Riot Games, Inc. Item data comes from Riot's Data Dragon for the current patch; who builds each item comes from a sample of ranked Solo/Duo games read through the Riot Games API.