Every figure shows its source. Where a source is missing, the number is a placeholder — and it is never written as fact.

By GamGem ResearchLast updated 20 Aug 2026 · 00:00

Epic · Summoner's Rift

Blighting Jewel

1,100gold

What it grants

  • 25 Ability Power
  • 13% Magic Penetration

Passives

Stats only — this item has no passive. See the shop for items that do.

Build path

Builds from

Combine cost

700

on top of 1 component, for 1,100 in total.

Builds into

How it performed

Pick rate
19.1%
Win rate
47.9%
Completion
88.5%
Purchase slot
1
Games
87,196
Δ this patch
-0.3

Summoner's Rift · patch 26.16 · Emerald+ · NA

Who buys it

  • Top27.3%
  • Jungle28.4%
  • Mid26.4%
  • Bot8.7%
  • Support9.2%

Reach for it when

  • Into magic resist

Gold efficiency

45.5%500 gold of stats for 1,100

The stat block only — the passive is not priced.

25 Ability Power · 20g each, from Amplifying Tome
500g

Not priced, because Riot sells no single-stat item for magic penetration — so this figure covers the rest.

Other items for the same job

All tagged “Magic Penetration” by Riot.